Restructure the native module

Consolidate all code into the src folder

native/src/core/magisk.cpp

@@ -0,0 +1,135 @@
+#include <sys/mount.h>
+#include <libgen.h>
+
+#include <base.hpp>
+#include <magisk.hpp>
+#include <daemon.hpp>
+#include <selinux.hpp>
+#include <flags.h>
+
+#include "core.hpp"
+
+using namespace std;
+
+[[noreturn]] static void usage() {
+    fprintf(stderr,
+R"EOF(Magisk - Multi-purpose Utility
+
+Usage: magisk [applet [arguments]...]
+   or: magisk [options]...
+
+Options:
+   -c                        print current binary version
+   -v                        print running daemon version
+   -V                        print running daemon version code
+   --list                    list all available applets
+   --remove-modules          remove all modules and reboot
+   --install-module ZIP      install a module zip file
+
+Advanced Options (Internal APIs):
+   --daemon                  manually start magisk daemon
+   --stop                    remove all magisk changes and stop daemon
+   --[init trigger]          callback on init triggers. Valid triggers:
+                             post-fs-data, service, boot-complete, zygote-restart
+   --unlock-blocks           set BLKROSET flag to OFF for all block devices
+   --restorecon              restore selinux context on Magisk files
+   --clone-attr SRC DEST     clone permission, owner, and selinux context
+   --clone SRC DEST          clone SRC to DEST
+   --sqlite SQL              exec SQL commands to Magisk database
+   --path                    print Magisk tmpfs mount path
+   --denylist ARGS           denylist config CLI
+
+Available applets:
+)EOF");
+
+    for (int i = 0; applet_names[i]; ++i)
+        fprintf(stderr, i ? ", %s" : "    %s", applet_names[i]);
+    fprintf(stderr, "\n\n");
+    exit(1);
+}
+
+int magisk_main(int argc, char *argv[]) {
+    if (argc < 2)
+        usage();
+    if (argv[1] == "-c"sv) {
+#if MAGISK_DEBUG
+        printf(MAGISK_VERSION ":MAGISK:D (" str(MAGISK_VER_CODE) ")\n");
+#else
+        printf(MAGISK_VERSION ":MAGISK:R (" str(MAGISK_VER_CODE) ")\n");
+#endif
+        return 0;
+    } else if (argv[1] == "-v"sv) {
+        int fd = connect_daemon(MainRequest::CHECK_VERSION);
+        string v = read_string(fd);
+        printf("%s\n", v.data());
+        return 0;
+    } else if (argv[1] == "-V"sv) {
+        int fd = connect_daemon(MainRequest::CHECK_VERSION_CODE);
+        printf("%d\n", read_int(fd));
+        return 0;
+    } else if (argv[1] == "--list"sv) {
+        for (int i = 0; applet_names[i]; ++i)
+            printf("%s\n", applet_names[i]);
+        return 0;
+    } else if (argv[1] == "--unlock-blocks"sv) {
+        unlock_blocks();
+        return 0;
+    } else if (argv[1] == "--restorecon"sv) {
+        restorecon();
+        return 0;
+    } else if (argc >= 4 && argv[1] == "--clone-attr"sv) {
+        clone_attr(argv[2], argv[3]);
+        return 0;
+    } else if (argc >= 4 && argv[1] == "--clone"sv) {
+        cp_afc(argv[2], argv[3]);
+        return 0;
+    } else if (argv[1] == "--daemon"sv) {
+        close(connect_daemon(MainRequest::START_DAEMON, true));
+        return 0;
+    } else if (argv[1] == "--stop"sv) {
+        int fd = connect_daemon(MainRequest::STOP_DAEMON);
+        return read_int(fd);
+    } else if (argv[1] == "--post-fs-data"sv) {
+        close(connect_daemon(MainRequest::POST_FS_DATA, true));
+        return 0;
+    } else if (argv[1] == "--service"sv) {
+        close(connect_daemon(MainRequest::LATE_START, true));
+        return 0;
+    } else if (argv[1] == "--boot-complete"sv) {
+        close(connect_daemon(MainRequest::BOOT_COMPLETE));
+        return 0;
+    } else if (argv[1] == "--zygote-restart"sv) {
+        close(connect_daemon(MainRequest::ZYGOTE_RESTART));
+        return 0;
+    } else if (argv[1] == "--denylist"sv) {
+        return denylist_cli(argc - 1, argv + 1);
+    } else if (argc >= 3 && argv[1] == "--sqlite"sv) {
+        int fd = connect_daemon(MainRequest::SQLITE_CMD);
+        write_string(fd, argv[2]);
+        string res;
+        for (;;) {
+            read_string(fd, res);
+            if (res.empty())
+                return 0;
+            printf("%s\n", res.data());
+        }
+    } else if (argv[1] == "--remove-modules"sv) {
+        int fd = connect_daemon(MainRequest::REMOVE_MODULES);
+        return read_int(fd);
+    } else if (argv[1] == "--path"sv) {
+        int fd = connect_daemon(MainRequest::GET_PATH);
+        string path = read_string(fd);
+        printf("%s\n", path.data());
+        return 0;
+    } else if (argc >= 3 && argv[1] == "--install-module"sv) {
+        install_module(argv[2]);
+    }
+#if 0
+    /* Entry point for testing stuffs */
+    else if (argv[1] == "--test"sv) {
+        rust_test_entry();
+        return 0;
+    }
+#endif
+    usage();
+}