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[]) {
  LOGI("Initializing zygiskd: %s\n", argv[0]);

  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();
      enum RootImpl impl = get_impl();

      switch (impl) {
        case None: {
          LOGI("No root implementation found.\n");

          return 1;
        }

        case Multiple: {
          LOGI("Multiple root implementations found.\n");

          return 1;
        }

        case KernelSU: {
          LOGI("KernelSU root implementation found.\n");

          return 0;
        }
        case APatch: {
          LOGI("APatch root implementation found.\n");

          return 0;
        }
        case Magisk: {
          LOGI("Magisk root implementation found.\n");

          return 0;
        }
      }

      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;
}