Remove unnecessary monogisk

jni/core/magisk.c

@@ -0,0 +1,180 @@
+/* main.c - The multicall entry point
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <libgen.h>
+
+#include "utils.h"
+#include "magisk.h"
+#include "daemon.h"
+
+char *argv0;
+
+char *applet[] =
+	{ "su", "resetprop", "magiskhide", NULL };
+
+int (*applet_main[]) (int, char *[]) =
+	{ su_client_main, resetprop_main, magiskhide_main, NULL };
+
+int create_links(const char *bin, const char *path) {
+	char self[PATH_MAX], linkpath[PATH_MAX];
+	if (bin == NULL) {
+		xreadlink("/proc/self/exe", self, sizeof(self));
+		bin = self;
+	}
+	int ret = 0;
+	for (int i = 0; applet[i]; ++i) {
+		snprintf(linkpath, sizeof(linkpath), "%s/%s", path, applet[i]);
+		unlink(linkpath);
+		ret |= symlink(bin, linkpath);
+	}
+	return ret;
+}
+
+static void usage() {
+	fprintf(stderr,
+		"Magisk v" xstr(MAGISK_VERSION) "(" xstr(MAGISK_VER_CODE) ") (by topjohnwu) multi-call binary\n"
+		"\n"
+		"Usage: %s [applet [arguments]...]\n"
+		"   or: %s [options]...\n"
+		"\n"
+		"Options:\n"
+		"   -c                        print current binary version\n"
+		"   -v                        print running daemon version\n"
+		"   -V                        print running daemon version code\n"
+		"   --list                    list all availible applets\n"
+        "   --install [SOURCE] DIR    symlink all applets to DIR. SOURCE is optional\n"
+		"   --createimg IMG SIZE      create ext4 image. SIZE is interpreted in MB\n"
+		"   --imgsize IMG             report ext4 image used/total size\n"
+		"   --resizeimg IMG SIZE      resize ext4 image. SIZE is interpreted in MB\n"
+		"   --mountimg IMG PATH       mount IMG to PATH and prints the loop device\n"
+		"   --umountimg PATH LOOP     unmount PATH and delete LOOP device\n"
+		"   --[init service]          start init service\n"
+		"   --unlock-blocks           set BLKROSET flag to OFF for all block devices\n"
+		"   --restorecon              fix selinux context on Magisk files and folders\n"
+		"   --clone-attr SRC DEST     clone permission, owner, and selinux context\n"
+		"\n"
+		"Supported init services:\n"
+		"   daemon, post-fs, post-fs-data, service\n"
+		"\n"
+		"Supported applets:\n"
+	, argv0, argv0);
+
+	for (int i = 0; applet[i]; ++i)
+		fprintf(stderr, i ? ", %s" : "    %s", applet[i]);
+	fprintf(stderr, "\n\n");
+	exit(1);
+}
+
+int main(int argc, char *argv[]) {
+	argv0 = argv[0];
+	if (strcmp(basename(argv[0]), "magisk") == 0) {
+		if (argc < 2) usage();
+		if (strcmp(argv[1], "-c") == 0) {
+			printf("%s\n", MAGISK_VER_STR);
+			return 0;
+		} else if (strcmp(argv[1], "-v") == 0) {
+			int fd = connect_daemon();
+			write_int(fd, CHECK_VERSION);
+			char *v = read_string(fd);
+			printf("%s\n", v);
+			free(v);
+			return 0;
+		} else if (strcmp(argv[1], "-V") == 0) {
+			int fd = connect_daemon();
+			write_int(fd, CHECK_VERSION_CODE);
+			printf("%d\n", read_int(fd));
+			return 0;
+		} else if (strcmp(argv[1], "--install") == 0) {
+			if (argc < 3) usage();
+			if (argc == 3) return create_links(NULL, argv[2]);
+			else return create_links(argv[2], argv[3]);
+		} else if (strcmp(argv[1], "--list") == 0) {
+			for (int i = 0; applet[i]; ++i)
+				printf("%s\n", applet[i]);
+			return 0;
+		} else if (strcmp(argv[1], "--createimg") == 0) {
+			if (argc < 4) usage();
+			int size;
+			sscanf(argv[3], "%d", &size);
+			return create_img(argv[2], size);
+		} else if (strcmp(argv[1], "--imgsize") == 0) {
+			if (argc < 3) usage();
+			int used, total;
+			if (get_img_size(argv[2], &used, &total)) {
+				fprintf(stderr, "Cannot check %s size\n", argv[2]);
+				return 1;
+			}
+			printf("%d %d\n", used, total);
+			return 0;
+		} else if (strcmp(argv[1], "--resizeimg") == 0) {
+			if (argc < 4) usage();
+			int used, total, size;
+			sscanf(argv[3], "%d", &size);
+			if (get_img_size(argv[2], &used, &total)) {
+				fprintf(stderr, "Cannot check %s size\n", argv[2]);
+				return 1;
+			}
+			if (size <= used) {
+				fprintf(stderr, "Cannot resize smaller than %dM\n", used);
+				return 1;
+			}
+			return resize_img(argv[2], size);
+		} else if (strcmp(argv[1], "--mountimg") == 0) {
+			if (argc < 4) usage();
+			char *loop = mount_image(argv[2], argv[3]);
+			if (loop == NULL) {
+				fprintf(stderr, "Cannot mount image!\n");
+				return 1;
+			} else {
+				printf("%s\n", loop);
+				free(loop);
+				return 0;
+			}
+		} else if (strcmp(argv[1], "--umountimg") == 0) {
+			if (argc < 4) usage();
+			umount_image(argv[2], argv[3]);
+			return 0;
+		} else if (strcmp(argv[1], "--unlock-blocks") == 0) {
+			unlock_blocks();
+			return 0;
+		} else if (strcmp(argv[1], "--restorecon") == 0) {
+			fix_filecon();
+			return 0;
+		} else if (strcmp(argv[1], "--clone-attr") == 0) {
+			if (argc < 4) usage();
+			clone_attr(argv[2], argv[3]);
+			return 0;
+		} else if (strcmp(argv[1], "--daemon") == 0) {
+			// Start daemon, this process won't return
+			start_daemon();
+		} else if (strcmp(argv[1], "--post-fs") == 0) {
+			int fd = connect_daemon();
+			write_int(fd, POST_FS);
+			return read_int(fd);
+		} else if (strcmp(argv[1], "--post-fs-data") == 0) {
+			int fd = connect_daemon();
+			write_int(fd, POST_FS_DATA);
+			return read_int(fd);
+		} else if (strcmp(argv[1], "--service") == 0) {
+			int fd = connect_daemon();
+			write_int(fd, LATE_START);
+			return read_int(fd);
+		} else {
+			// It's calling applets
+			--argc;
+			++argv;
+		}
+	}
+
+	// Applets
+	for (int i = 0; applet[i]; ++i) {
+		if (strcmp(basename(argv[0]), applet[i]) == 0)
+			return (*applet_main[i])(argc, argv);
+	}
+
+	fprintf(stderr, "%s: applet not found\n", basename(argv[0]));
+	return 1;
+}