Merge "Adding Android Binder Bridge (abb) utility launched from adbd." (e7bb1b3e) · Commits · e / os / android_system_core

adb/Android.bp

+43 −0

Original line number	Diff line number	Diff line
		@@ -355,6 +355,7 @@ cc_library {
		compile_multilib: "both",

		srcs: [
		"daemon/abb_service.cpp",
		"daemon/file_sync_service.cpp",
		"daemon/framebuffer_service.cpp",
		"daemon/mdns.cpp",
		@@ -391,6 +392,14 @@ cc_library {
		"libmdnssd",
		"libselinux",
		],

		target: {
		recovery: {
		exclude_srcs: [
		"daemon/abb_service.cpp",
		],
		},
		},
		}

		cc_library {
		@@ -455,6 +464,40 @@ cc_binary {
		],
		}

		cc_binary {
		name: "abb",

		defaults: ["adb_defaults"],
		recovery_available: false,

		srcs: [
		"daemon/abb.cpp",
		],

		cflags: [
		"-D_GNU_SOURCE",
		"-Wno-deprecated-declarations",
		],

		strip: {
		keep_symbols: true,
		},

		static_libs: [
		"libadbd_core",
		"libadbd_services",
		"libcmd",
		],

		shared_libs: [
		"libbase",
		"libbinder",
		"liblog",
		"libutils",
		"libselinux",
		],
		}

		cc_test {
		name: "adbd_test",
		defaults: ["adb_defaults"],

adb/adb.h

+7 −0

Original line number	Diff line number	Diff line
		@@ -152,6 +152,10 @@ asocket* host_service_to_socket(const char* name, const char* serial, TransportI
		asocket* daemon_service_to_socket(std::string_view name);
		#endif

		#if !ADB_HOST
		unique_fd execute_binder_command(std::string_view command);
		#endif

		#if !ADB_HOST
		int init_jdwp(void);
		asocket* create_jdwp_service_socket();
		@@ -202,6 +206,9 @@ extern const char* adb_device_banner;

		#define CHUNK_SIZE (64 * 1024)

		// Argument delimeter for adb abb command.
		#define ABB_ARG_DELIMETER ('\0')

		#if !ADB_HOST
		#define USB_FFS_ADB_PATH "/dev/usb-ffs/adb/"
		#define USB_FFS_ADB_EP(x) USB_FFS_ADB_PATH #x

adb/adb_io.cpp

+81 −0

Original line number	Diff line number	Diff line
		@@ -20,6 +20,11 @@

		#include <unistd.h>

		#if !ADB_HOST
		#include <sys/socket.h>
		#include <sys/un.h>
		#endif

		#include <thread>

		#include <android-base/stringprintf.h>
		@@ -182,3 +187,79 @@ bool ReadOrderlyShutdown(int fd) {
		return false;
		}
		}

		#if defined(__linux__)
		bool SendFileDescriptor(int socket_fd, int fd) {
		struct msghdr msg;
		struct iovec iov;
		char dummy = '!';
		union {
		cmsghdr cm;
		char buffer[CMSG_SPACE(sizeof(int))];
		} cm_un;

		iov.iov_base = &dummy;
		iov.iov_len = 1;
		msg.msg_name = nullptr;
		msg.msg_namelen = 0;
		msg.msg_iov = &iov;
		msg.msg_iovlen = 1;
		msg.msg_flags = 0;
		msg.msg_control = cm_un.buffer;
		msg.msg_controllen = sizeof(cm_un.buffer);

		cmsghdr* cmsg = CMSG_FIRSTHDR(&msg);
		cmsg->cmsg_len = CMSG_LEN(sizeof(int));
		cmsg->cmsg_level = SOL_SOCKET;
		cmsg->cmsg_type = SCM_RIGHTS;
		((int*)CMSG_DATA(cmsg))[0] = fd;

		int ret = TEMP_FAILURE_RETRY(sendmsg(socket_fd, &msg, 0));
		if (ret < 0) {
		D("sending file descriptor via socket %d failed: %s", socket_fd, strerror(errno));
		return false;
		}

		D("sent file descriptor %d to via socket %d", fd, socket_fd);
		return true;
		}

		bool ReceiveFileDescriptor(int socket_fd, unique_fd* fd, std::string* error) {
		char dummy = '!';
		union {
		cmsghdr cm;
		char buffer[CMSG_SPACE(sizeof(int))];
		} cm_un;

		iovec iov;
		iov.iov_base = &dummy;
		iov.iov_len = 1;

		msghdr msg;
		msg.msg_name = nullptr;
		msg.msg_namelen = 0;
		msg.msg_iov = &iov;
		msg.msg_iovlen = 1;
		msg.msg_flags = 0;
		msg.msg_control = cm_un.buffer;
		msg.msg_controllen = sizeof(cm_un.buffer);

		cmsghdr* cmsg = CMSG_FIRSTHDR(&msg);
		cmsg->cmsg_len = CMSG_LEN(sizeof(int));
		cmsg->cmsg_level = SOL_SOCKET;
		cmsg->cmsg_type = SCM_RIGHTS;
		((int*)(CMSG_DATA(cmsg)))[0] = -1;

		int rc = TEMP_FAILURE_RETRY(recvmsg(socket_fd, &msg, 0));
		if (rc <= 0) {
		*error = perror_str("receiving file descriptor via socket failed");
		D("receiving file descriptor via socket %d failed: %s", socket_fd, strerror(errno));
		return false;
		}

		fd->reset(((int*)(CMSG_DATA(cmsg)))[0]);
		D("received file descriptor %d to via socket %d", fd->get(), socket_fd);

		return true;
		}
		#endif

adb/adb_io.h

+10 −0

Original line number	Diff line number	Diff line
		@@ -21,6 +21,8 @@

		#include <string>

		#include "adb_unique_fd.h"

		// Sends the protocol "OKAY" message.
		bool SendOkay(int fd);

		@@ -73,4 +75,12 @@ bool WriteFdExactly(int fd, const std::string& s);
		// Same as above, but formats the string to send.
		bool WriteFdFmt(int fd, const char* fmt, ...) __attribute__((__format__(__printf__, 2, 3)));

		#if !ADB_HOST
		// Sends an FD via Unix domain socket.
		bool SendFileDescriptor(int socket_fd, int fd);

		// Receives an FD via Unix domain socket.
		bool ReceiveFileDescriptor(int socket_fd, unique_fd* fd, std::string* error);
		#endif

		#endif /* ADB_IO_H */

adb/client/commandline.cpp

+48 −46

Original line number	Diff line number	Diff line
		@@ -579,12 +579,8 @@ static std::string ShellServiceString(bool use_shell_protocol,
		//
		// On success returns the remote exit code if \|use_shell_protocol\| is true,
		// 0 otherwise. On failure returns 1.
		static int RemoteShell(bool use_shell_protocol, const std::string& type_arg,
		char escape_char,
		const std::string& command) {
		std::string service_string = ShellServiceString(use_shell_protocol,
		type_arg, command);

		static int RemoteShell(bool use_shell_protocol, const std::string& type_arg, char escape_char,
		bool empty_command, const std::string& service_string) {
		// Old devices can't handle a service string that's longer than MAX_PAYLOAD_V1.
		// Use \|use_shell_protocol\| to determine whether to allow a command longer than that.
		if (service_string.size() > MAX_PAYLOAD_V1 && !use_shell_protocol) {
		@@ -595,8 +591,7 @@ static int RemoteShell(bool use_shell_protocol, const std::string& type_arg,
		// Make local stdin raw if the device allocates a PTY, which happens if:
		// 1. We are explicitly asking for a PTY shell, or
		// 2. We don't specify shell type and are starting an interactive session.
		bool raw_stdin = (type_arg == kShellServiceArgPty \|\|
		(type_arg.empty() && command.empty()));
		bool raw_stdin = (type_arg == kShellServiceArgPty \|\| (type_arg.empty() && empty_command));

		std::string error;
		int fd = adb_connect(service_string, &error);
		@@ -756,7 +751,29 @@ static int adb_shell(int argc, const char** argv) {
		command = android::base::Join(std::vector<const char*>(argv + optind, argv + argc), ' ');
		}

		return RemoteShell(use_shell_protocol, shell_type_arg, escape_char, command);
		std::string service_string = ShellServiceString(use_shell_protocol, shell_type_arg, command);
		return RemoteShell(use_shell_protocol, shell_type_arg, escape_char, command.empty(),
		service_string);
		}

		static int adb_abb(int argc, const char** argv) {
		// Defaults.
		constexpr char escape_char = '~'; // -e
		constexpr bool use_shell_protocol = true;
		constexpr auto shell_type_arg = kShellServiceArgRaw;
		constexpr bool empty_command = false;

		std::string service_string("abb:");
		for (auto i = optind; i < argc; ++i) {
		service_string.append(argv[i]);
		service_string.push_back(ABB_ARG_DELIMETER);
		}

		D("abb -e 0x%x [%*.s]\n", escape_char, static_cast<int>(service_string.size()),
		service_string.data());

		return RemoteShell(use_shell_protocol, shell_type_arg, escape_char, empty_command,
		service_string);
		}

		static int adb_sideload_legacy(const char* filename, int in_fd, int size) {
		@@ -1546,14 +1563,13 @@ int adb_commandline(int argc, const char** argv) {
		std::string query = android::base::StringPrintf("host:disconnect:%s",
		(argc == 2) ? argv[1] : "");
		return adb_query_command(query);
		}
		else if (!strcmp(argv[0], "emu")) {
		} else if (!strcmp(argv[0], "abb")) {
		return adb_abb(argc, argv);
		} else if (!strcmp(argv[0], "emu")) {
		return adb_send_emulator_command(argc, argv, serial);
		}
		else if (!strcmp(argv[0], "shell")) {
		} else if (!strcmp(argv[0], "shell")) {
		return adb_shell(argc, argv);
		}
		else if (!strcmp(argv[0], "exec-in") \|\| !strcmp(argv[0], "exec-out")) {
		} else if (!strcmp(argv[0], "exec-in") \|\| !strcmp(argv[0], "exec-out")) {
		int exec_in = !strcmp(argv[0], "exec-in");

		if (argc < 2) error_exit("usage: adb %s command", argv[0]);
		@@ -1581,11 +1597,9 @@ int adb_commandline(int argc, const char** argv) {

		adb_close(fd);
		return 0;
		}
		else if (!strcmp(argv[0], "kill-server")) {
		} else if (!strcmp(argv[0], "kill-server")) {
		return adb_kill_server() ? 0 : 1;
		}
		else if (!strcmp(argv[0], "sideload")) {
		} else if (!strcmp(argv[0], "sideload")) {
		if (argc != 2) error_exit("sideload requires an argument");
		if (adb_sideload_host(argv[1])) {
		return 1;
		@@ -1695,8 +1709,7 @@ int adb_commandline(int argc, const char** argv) {
		else if (!strcmp(argv[0], "ls")) {
		if (argc != 2) error_exit("ls requires an argument");
		return do_sync_ls(argv[1]) ? 0 : 1;
		}
		else if (!strcmp(argv[0], "push")) {
		} else if (!strcmp(argv[0], "push")) {
		bool copy_attrs = false;
		bool sync = false;
		std::vector<const char*> srcs;
		@@ -1705,8 +1718,7 @@ int adb_commandline(int argc, const char** argv) {
		parse_push_pull_args(&argv[1], argc - 1, &srcs, &dst, &copy_attrs, &sync);
		if (srcs.empty() \|\| !dst) error_exit("push requires an argument");
		return do_sync_push(srcs, dst, sync) ? 0 : 1;
		}
		else if (!strcmp(argv[0], "pull")) {
		} else if (!strcmp(argv[0], "pull")) {
		bool copy_attrs = false;
		std::vector<const char*> srcs;
		const char* dst = ".";
		@@ -1714,20 +1726,16 @@ int adb_commandline(int argc, const char** argv) {
		parse_push_pull_args(&argv[1], argc - 1, &srcs, &dst, &copy_attrs, nullptr);
		if (srcs.empty()) error_exit("pull requires an argument");
		return do_sync_pull(srcs, dst, copy_attrs) ? 0 : 1;
		}
		else if (!strcmp(argv[0], "install")) {
		} else if (!strcmp(argv[0], "install")) {
		if (argc < 2) error_exit("install requires an argument");
		return install_app(argc, argv);
		}
		else if (!strcmp(argv[0], "install-multiple")) {
		} else if (!strcmp(argv[0], "install-multiple")) {
		if (argc < 2) error_exit("install-multiple requires an argument");
		return install_multiple_app(argc, argv);
		}
		else if (!strcmp(argv[0], "uninstall")) {
		} else if (!strcmp(argv[0], "uninstall")) {
		if (argc < 2) error_exit("uninstall requires an argument");
		return uninstall_app(argc, argv);
		}
		else if (!strcmp(argv[0], "sync")) {
		} else if (!strcmp(argv[0], "sync")) {
		std::string src;
		bool list_only = false;
		if (argc < 2) {
		@@ -1757,34 +1765,28 @@ int adb_commandline(int argc, const char** argv) {
		return 0;
		}
		/* passthrough commands */
		else if (!strcmp(argv[0],"get-state") \|\|
		!strcmp(argv[0],"get-serialno") \|\|
		!strcmp(argv[0],"get-devpath"))
		{
		else if (!strcmp(argv[0], "get-state") \|\| !strcmp(argv[0], "get-serialno") \|\|
		!strcmp(argv[0], "get-devpath")) {
		return adb_query_command(format_host_command(argv[0]));
		}
		/* other commands */
		else if (!strcmp(argv[0],"logcat") \|\| !strcmp(argv[0],"lolcat") \|\| !strcmp(argv[0],"longcat")) {
		else if (!strcmp(argv[0], "logcat") \|\| !strcmp(argv[0], "lolcat") \|\|
		!strcmp(argv[0], "longcat")) {
		return logcat(argc, argv);
		}
		else if (!strcmp(argv[0],"ppp")) {
		} else if (!strcmp(argv[0], "ppp")) {
		return ppp(argc, argv);
		}
		else if (!strcmp(argv[0], "start-server")) {
		} else if (!strcmp(argv[0], "start-server")) {
		std::string error;
		const int result = adb_connect("host:start-server", &error);
		if (result < 0) {
		fprintf(stderr, "error: %s\n", error.c_str());
		}
		return result;
		}
		else if (!strcmp(argv[0], "backup")) {
		} else if (!strcmp(argv[0], "backup")) {
		return backup(argc, argv);
		}
		else if (!strcmp(argv[0], "restore")) {
		} else if (!strcmp(argv[0], "restore")) {
		return restore(argc, argv);
		}
		else if (!strcmp(argv[0], "keygen")) {
		} else if (!strcmp(argv[0], "keygen")) {
		if (argc != 2) error_exit("keygen requires an argument");
		// Always print key generation information for keygen command.
		adb_trace_enable(AUTH);