adb_main.cpp - SHIFTPHONES/android_packages_modules_adb - Gitiles

 /*
  * Copyright (C) 2015 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *      http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */

 #define TRACE_TAG TRACE_ADB

 #include "sysdeps.h"

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

 #include "adb.h"
 #include "adb_auth.h"
 #include "adb_listeners.h"
 #include "transport.h"

 #include <base/stringprintf.h>

 #if !ADB_HOST
 #include <getopt.h>
 #include <sys/prctl.h>

 #include "cutils/properties.h"
 #include "private/android_filesystem_config.h"
 #include "selinux/selinux.h"

 #include "qemu_tracing.h"
 #endif

 static void adb_cleanup(void)
 {
     usb_cleanup();
 }

 #if defined(_WIN32)
 static BOOL WINAPI ctrlc_handler(DWORD type)
 {
     exit(STATUS_CONTROL_C_EXIT);
     return TRUE;
 }
 #endif

 #if ADB_HOST
 #ifdef WORKAROUND_BUG6558362
 #include <sched.h>
 #define AFFINITY_ENVVAR "ADB_CPU_AFFINITY_BUG6558362"
 void adb_set_affinity(void)
 {
    cpu_set_t cpu_set;
    const char* cpunum_str = getenv(AFFINITY_ENVVAR);
    char* strtol_res;
    int cpu_num;

    if (!cpunum_str || !*cpunum_str)
        return;
    cpu_num = strtol(cpunum_str, &strtol_res, 0);
    if (*strtol_res != '\0')
      fatal("bad number (%s) in env var %s. Expecting 0..n.\n", cpunum_str, AFFINITY_ENVVAR);

    sched_getaffinity(0, sizeof(cpu_set), &cpu_set);
    D("orig cpu_set[0]=0x%08lx\n", cpu_set.__bits[0]);
    CPU_ZERO(&cpu_set);
    CPU_SET(cpu_num, &cpu_set);
    sched_setaffinity(0, sizeof(cpu_set), &cpu_set);
    sched_getaffinity(0, sizeof(cpu_set), &cpu_set);
    D("new cpu_set[0]=0x%08lx\n", cpu_set.__bits[0]);
 }
 #endif
 #else /* ADB_HOST */
 static const char *root_seclabel = NULL;

 static void drop_capabilities_bounding_set_if_needed() {
 #ifdef ALLOW_ADBD_ROOT
     char value[PROPERTY_VALUE_MAX];
     property_get("ro.debuggable", value, "");
     if (strcmp(value, "1") == 0) {
         return;
     }
 #endif
     int i;
     for (i = 0; prctl(PR_CAPBSET_READ, i, 0, 0, 0) >= 0; i++) {
         if (i == CAP_SETUID || i == CAP_SETGID) {
             // CAP_SETUID CAP_SETGID needed by /system/bin/run-as
             continue;
         }
         int err = prctl(PR_CAPBSET_DROP, i, 0, 0, 0);

         // Some kernels don't have file capabilities compiled in, and
         // prctl(PR_CAPBSET_DROP) returns EINVAL. Don't automatically
         // die when we see such misconfigured kernels.
         if ((err < 0) && (errno != EINVAL)) {
             exit(1);
         }
     }
 }

 static bool should_drop_privileges() {
 #if defined(ALLOW_ADBD_ROOT)
     char value[PROPERTY_VALUE_MAX];

     // The emulator is never secure, so don't drop privileges there.
     // TODO: this seems like a bug --- shouldn't the emulator behave like a device?
     property_get("ro.kernel.qemu", value, "");
     if (strcmp(value, "1") == 0) {
         return false;
     }

     // The properties that affect `adb root` and `adb unroot` are ro.secure and
     // ro.debuggable. In this context the names don't make the expected behavior
     // particularly obvious.
     //
     // ro.debuggable:
     //   Allowed to become root, but not necessarily the default. Set to 1 on
     //   eng and userdebug builds.
     //
     // ro.secure:
     //   Drop privileges by default. Set to 1 on userdebug and user builds.
     property_get("ro.secure", value, "1");
     bool ro_secure = (strcmp(value, "1") == 0);

     property_get("ro.debuggable", value, "");
     bool ro_debuggable = (strcmp(value, "1") == 0);

     // Drop privileges if ro.secure is set...
     bool drop = ro_secure;

     property_get("service.adb.root", value, "");
     bool adb_root = (strcmp(value, "1") == 0);
     bool adb_unroot = (strcmp(value, "0") == 0);

     // ...except "adb root" lets you keep privileges in a debuggable build.
     if (ro_debuggable && adb_root) {
         drop = false;
     }

     // ...and "adb unroot" lets you explicitly drop privileges.
     if (adb_unroot) {
         drop = true;
     }

     return drop;
 #else
     return true; // "adb root" not allowed, always drop privileges.
 #endif /* ALLOW_ADBD_ROOT */
 }
 #endif /* ADB_HOST */

 void start_logging(void)
 {
 #if defined(_WIN32)
     char    temp[ MAX_PATH ];
     FILE*   fnul;
     FILE*   flog;

     GetTempPath( sizeof(temp) - 8, temp );
     strcat( temp, "adb.log" );

     /* Win32 specific redirections */
     fnul = fopen( "NUL", "rt" );
     if (fnul != NULL)
         stdin[0] = fnul[0];

     flog = fopen( temp, "at" );
     if (flog == NULL)
         flog = fnul;

     setvbuf( flog, NULL, _IONBF, 0 );

     stdout[0] = flog[0];
     stderr[0] = flog[0];
     fprintf(stderr,"--- adb starting (pid %d) ---\n", getpid());
 #else
     int fd;

     fd = unix_open("/dev/null", O_RDONLY);
     dup2(fd, 0);
     adb_close(fd);

     fd = unix_open("/tmp/adb.log", O_WRONLY | O_CREAT | O_APPEND, 0640);
     if(fd < 0) {
         fd = unix_open("/dev/null", O_WRONLY);
     }
     dup2(fd, 1);
     dup2(fd, 2);
     adb_close(fd);
     fprintf(stderr,"--- adb starting (pid %d) ---\n", getpid());
 #endif
 }

 int adb_main(int is_daemon, int server_port)
 {
 #if !ADB_HOST
     int port;
     char value[PROPERTY_VALUE_MAX];

     umask(000);
 #endif

     atexit(adb_cleanup);
 #if defined(_WIN32)
     SetConsoleCtrlHandler( ctrlc_handler, TRUE );
 #else
     // No SIGCHLD. Let the service subproc handle its children.
     signal(SIGPIPE, SIG_IGN);
 #endif

     init_transport_registration();

 #if ADB_HOST
     HOST = 1;

 #ifdef WORKAROUND_BUG6558362
     if(is_daemon) adb_set_affinity();
 #endif
     usb_init();
     local_init(DEFAULT_ADB_LOCAL_TRANSPORT_PORT);
     adb_auth_init();

     std::string local_name = android::base::StringPrintf("tcp:%d", server_port);
     if (install_listener(local_name, "*smartsocket*", NULL, 0)) {
         exit(1);
     }
 #else
     // We need to call this even if auth isn't enabled because the file
     // descriptor will always be open.
     adbd_cloexec_auth_socket();

     property_get("ro.adb.secure", value, "0");
     auth_enabled = !strcmp(value, "1");
     if (auth_enabled)
         adbd_auth_init();

     // Our external storage path may be different than apps, since
     // we aren't able to bind mount after dropping root.
     const char* adb_external_storage = getenv("ADB_EXTERNAL_STORAGE");
     if (NULL != adb_external_storage) {
         setenv("EXTERNAL_STORAGE", adb_external_storage, 1);
     } else {
         D("Warning: ADB_EXTERNAL_STORAGE is not set.  Leaving EXTERNAL_STORAGE"
           " unchanged.\n");
     }

     /* add extra groups:
     ** AID_ADB to access the USB driver
     ** AID_LOG to read system logs (adb logcat)
     ** AID_INPUT to diagnose input issues (getevent)
     ** AID_INET to diagnose network issues (ping)
     ** AID_NET_BT and AID_NET_BT_ADMIN to diagnose bluetooth (hcidump)
     ** AID_SDCARD_R to allow reading from the SD card
     ** AID_SDCARD_RW to allow writing to the SD card
     ** AID_NET_BW_STATS to read out qtaguid statistics
     */
     gid_t groups[] = { AID_ADB, AID_LOG, AID_INPUT, AID_INET, AID_NET_BT,
                        AID_NET_BT_ADMIN, AID_SDCARD_R, AID_SDCARD_RW,
                        AID_NET_BW_STATS };
     if (setgroups(sizeof(groups)/sizeof(groups[0]), groups) != 0) {
         exit(1);
     }

     /* don't listen on a port (default 5037) if running in secure mode */
     /* don't run as root if we are running in secure mode */
     if (should_drop_privileges()) {
         drop_capabilities_bounding_set_if_needed();

         /* then switch user and group to "shell" */
         if (setgid(AID_SHELL) != 0) {
             exit(1);
         }
         if (setuid(AID_SHELL) != 0) {
             exit(1);
         }

         D("Local port disabled\n");
     } else {
         if ((root_seclabel != NULL) && (is_selinux_enabled() > 0)) {
             // b/12587913: fix setcon to allow const pointers
             if (setcon((char *)root_seclabel) < 0) {
                 exit(1);
             }
         }
         std::string local_name = android::base::StringPrintf("tcp:%d", server_port);
         if (install_listener(local_name, "*smartsocket*", NULL, 0)) {
             exit(1);
         }
     }

     int usb = 0;
     if (access(USB_ADB_PATH, F_OK) == 0 || access(USB_FFS_ADB_EP0, F_OK) == 0) {
         // listen on USB
         usb_init();
         usb = 1;
     }

     // If one of these properties is set, also listen on that port
     // If one of the properties isn't set and we couldn't listen on usb,
     // listen on the default port.
     property_get("service.adb.tcp.port", value, "");
     if (!value[0]) {
         property_get("persist.adb.tcp.port", value, "");
     }
     if (sscanf(value, "%d", &port) == 1 && port > 0) {
         printf("using port=%d\n", port);
         // listen on TCP port specified by service.adb.tcp.port property
         local_init(port);
     } else if (!usb) {
         // listen on default port
         local_init(DEFAULT_ADB_LOCAL_TRANSPORT_PORT);
     }

     D("adb_main(): pre init_jdwp()\n");
     init_jdwp();
     D("adb_main(): post init_jdwp()\n");
 #endif

     if (is_daemon)
     {
         // inform our parent that we are up and running.
 #if defined(_WIN32)
         DWORD  count;
         WriteFile( GetStdHandle( STD_OUTPUT_HANDLE ), "OK\n", 3, &count, NULL );
 #else
         fprintf(stderr, "OK\n");
 #endif
         start_logging();
     }
     D("Event loop starting\n");

     fdevent_loop();

     usb_cleanup();

     return 0;
 }

 #if !ADB_HOST
 void close_stdin() {
     int fd = unix_open("/dev/null", O_RDONLY);
     if (fd == -1) {
         perror("failed to open /dev/null, stdin will remain open");
         return;
     }
     dup2(fd, 0);
     adb_close(fd);
 }
 #endif

 // TODO(danalbert): Split this file up into adb_main.cpp and adbd_main.cpp.
 int main(int argc, char **argv) {
 #if ADB_HOST
     // adb client/server
     adb_sysdeps_init();
     adb_trace_init();
     D("Handling commandline()\n");
     return adb_commandline(argc - 1, const_cast<const char**>(argv + 1));
 #else
     // adbd
     while (true) {
         static struct option opts[] = {
             {"root_seclabel", required_argument, nullptr, 's'},
             {"device_banner", required_argument, nullptr, 'b'},
             {"version", no_argument, nullptr, 'v'},
         };

         int option_index = 0;
         int c = getopt_long(argc, argv, "", opts, &option_index);
         if (c == -1)
             break;
         switch (c) {
         case 's':
             root_seclabel = optarg;
             break;
         case 'b':
             adb_device_banner = optarg;
             break;
         case 'v':
             printf("Android Debug Bridge Daemon version %d.%d.%d %s\n",
                    ADB_VERSION_MAJOR, ADB_VERSION_MINOR, ADB_SERVER_VERSION,
                    ADB_REVISION);
             return 0;
         default:
             break;
         }
     }

     close_stdin();

     adb_trace_init();

     /* If adbd runs inside the emulator this will enable adb tracing via
      * adb-debug qemud service in the emulator. */
     adb_qemu_trace_init();

     D("Handling main()\n");
     return adb_main(0, DEFAULT_ADB_PORT);
 #endif
 }
	/*
	* Copyright (C) 2015 The Android Open Source Project
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/

	#define TRACE_TAG TRACE_ADB

	#include "sysdeps.h"

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

	#include "adb.h"
	#include "adb_auth.h"
	#include "adb_listeners.h"
	#include "transport.h"

	#include <base/stringprintf.h>

	#if !ADB_HOST
	#include <getopt.h>
	#include <sys/prctl.h>

	#include "cutils/properties.h"
	#include "private/android_filesystem_config.h"
	#include "selinux/selinux.h"

	#include "qemu_tracing.h"
	#endif

	static void adb_cleanup(void)
	{
	usb_cleanup();
	}

	#if defined(_WIN32)
	static BOOL WINAPI ctrlc_handler(DWORD type)
	{
	exit(STATUS_CONTROL_C_EXIT);
	return TRUE;
	}
	#endif

	#if ADB_HOST
	#ifdef WORKAROUND_BUG6558362
	#include <sched.h>
	#define AFFINITY_ENVVAR "ADB_CPU_AFFINITY_BUG6558362"
	void adb_set_affinity(void)
	{
	cpu_set_t cpu_set;
	const char* cpunum_str = getenv(AFFINITY_ENVVAR);
	char* strtol_res;
	int cpu_num;

	if (!cpunum_str \|\| !*cpunum_str)
	return;
	cpu_num = strtol(cpunum_str, &strtol_res, 0);
	if (*strtol_res != '\0')
	fatal("bad number (%s) in env var %s. Expecting 0..n.\n", cpunum_str, AFFINITY_ENVVAR);

	sched_getaffinity(0, sizeof(cpu_set), &cpu_set);
	D("orig cpu_set[0]=0x%08lx\n", cpu_set.__bits[0]);
	CPU_ZERO(&cpu_set);
	CPU_SET(cpu_num, &cpu_set);
	sched_setaffinity(0, sizeof(cpu_set), &cpu_set);
	sched_getaffinity(0, sizeof(cpu_set), &cpu_set);
	D("new cpu_set[0]=0x%08lx\n", cpu_set.__bits[0]);
	}
	#endif
	#else /* ADB_HOST */
	static const char *root_seclabel = NULL;

	static void drop_capabilities_bounding_set_if_needed() {
	#ifdef ALLOW_ADBD_ROOT
	char value[PROPERTY_VALUE_MAX];
	property_get("ro.debuggable", value, "");
	if (strcmp(value, "1") == 0) {
	return;
	}
	#endif
	int i;
	for (i = 0; prctl(PR_CAPBSET_READ, i, 0, 0, 0) >= 0; i++) {
	if (i == CAP_SETUID \|\| i == CAP_SETGID) {
	// CAP_SETUID CAP_SETGID needed by /system/bin/run-as
	continue;
	}
	int err = prctl(PR_CAPBSET_DROP, i, 0, 0, 0);

	// Some kernels don't have file capabilities compiled in, and
	// prctl(PR_CAPBSET_DROP) returns EINVAL. Don't automatically
	// die when we see such misconfigured kernels.
	if ((err < 0) && (errno != EINVAL)) {
	exit(1);
	}
	}
	}

	static bool should_drop_privileges() {
	#if defined(ALLOW_ADBD_ROOT)
	char value[PROPERTY_VALUE_MAX];

	// The emulator is never secure, so don't drop privileges there.
	// TODO: this seems like a bug --- shouldn't the emulator behave like a device?
	property_get("ro.kernel.qemu", value, "");
	if (strcmp(value, "1") == 0) {
	return false;
	}

	// The properties that affect `adb root` and `adb unroot` are ro.secure and
	// ro.debuggable. In this context the names don't make the expected behavior
	// particularly obvious.
	//
	// ro.debuggable:
	// Allowed to become root, but not necessarily the default. Set to 1 on
	// eng and userdebug builds.
	//
	// ro.secure:
	// Drop privileges by default. Set to 1 on userdebug and user builds.
	property_get("ro.secure", value, "1");
	bool ro_secure = (strcmp(value, "1") == 0);

	property_get("ro.debuggable", value, "");
	bool ro_debuggable = (strcmp(value, "1") == 0);

	// Drop privileges if ro.secure is set...
	bool drop = ro_secure;

	property_get("service.adb.root", value, "");
	bool adb_root = (strcmp(value, "1") == 0);
	bool adb_unroot = (strcmp(value, "0") == 0);

	// ...except "adb root" lets you keep privileges in a debuggable build.
	if (ro_debuggable && adb_root) {
	drop = false;
	}

	// ...and "adb unroot" lets you explicitly drop privileges.
	if (adb_unroot) {
	drop = true;
	}

	return drop;
	#else
	return true; // "adb root" not allowed, always drop privileges.
	#endif /* ALLOW_ADBD_ROOT */
	}
	#endif /* ADB_HOST */

	void start_logging(void)
	{
	#if defined(_WIN32)
	char temp[ MAX_PATH ];
	FILE* fnul;
	FILE* flog;

	GetTempPath( sizeof(temp) - 8, temp );
	strcat( temp, "adb.log" );

	/* Win32 specific redirections */
	fnul = fopen( "NUL", "rt" );
	if (fnul != NULL)
	stdin[0] = fnul[0];

	flog = fopen( temp, "at" );
	if (flog == NULL)
	flog = fnul;

	setvbuf( flog, NULL, _IONBF, 0 );

	stdout[0] = flog[0];
	stderr[0] = flog[0];
	fprintf(stderr,"--- adb starting (pid %d) ---\n", getpid());
	#else
	int fd;

	fd = unix_open("/dev/null", O_RDONLY);
	dup2(fd, 0);
	adb_close(fd);

	fd = unix_open("/tmp/adb.log", O_WRONLY \| O_CREAT \| O_APPEND, 0640);
	if(fd < 0) {
	fd = unix_open("/dev/null", O_WRONLY);
	}
	dup2(fd, 1);
	dup2(fd, 2);
	adb_close(fd);
	fprintf(stderr,"--- adb starting (pid %d) ---\n", getpid());
	#endif
	}

	int adb_main(int is_daemon, int server_port)
	{
	#if !ADB_HOST
	int port;
	char value[PROPERTY_VALUE_MAX];

	umask(000);
	#endif

	atexit(adb_cleanup);
	#if defined(_WIN32)
	SetConsoleCtrlHandler( ctrlc_handler, TRUE );
	#else
	// No SIGCHLD. Let the service subproc handle its children.
	signal(SIGPIPE, SIG_IGN);
	#endif

	init_transport_registration();

	#if ADB_HOST
	HOST = 1;

	#ifdef WORKAROUND_BUG6558362
	if(is_daemon) adb_set_affinity();
	#endif
	usb_init();
	local_init(DEFAULT_ADB_LOCAL_TRANSPORT_PORT);
	adb_auth_init();

	std::string local_name = android::base::StringPrintf("tcp:%d", server_port);
	if (install_listener(local_name, "smartsocket", NULL, 0)) {
	exit(1);
	}
	#else
	// We need to call this even if auth isn't enabled because the file
	// descriptor will always be open.
	adbd_cloexec_auth_socket();

	property_get("ro.adb.secure", value, "0");
	auth_enabled = !strcmp(value, "1");
	if (auth_enabled)
	adbd_auth_init();

	// Our external storage path may be different than apps, since
	// we aren't able to bind mount after dropping root.
	const char* adb_external_storage = getenv("ADB_EXTERNAL_STORAGE");
	if (NULL != adb_external_storage) {
	setenv("EXTERNAL_STORAGE", adb_external_storage, 1);
	} else {
	D("Warning: ADB_EXTERNAL_STORAGE is not set. Leaving EXTERNAL_STORAGE"
	" unchanged.\n");
	}

	/* add extra groups:
	** AID_ADB to access the USB driver
	** AID_LOG to read system logs (adb logcat)
	** AID_INPUT to diagnose input issues (getevent)
	** AID_INET to diagnose network issues (ping)
	** AID_NET_BT and AID_NET_BT_ADMIN to diagnose bluetooth (hcidump)
	** AID_SDCARD_R to allow reading from the SD card
	** AID_SDCARD_RW to allow writing to the SD card
	** AID_NET_BW_STATS to read out qtaguid statistics
	*/
	gid_t groups[] = { AID_ADB, AID_LOG, AID_INPUT, AID_INET, AID_NET_BT,
	AID_NET_BT_ADMIN, AID_SDCARD_R, AID_SDCARD_RW,
	AID_NET_BW_STATS };
	if (setgroups(sizeof(groups)/sizeof(groups[0]), groups) != 0) {
	exit(1);
	}

	/* don't listen on a port (default 5037) if running in secure mode */
	/* don't run as root if we are running in secure mode */
	if (should_drop_privileges()) {
	drop_capabilities_bounding_set_if_needed();

	/* then switch user and group to "shell" */
	if (setgid(AID_SHELL) != 0) {
	exit(1);
	}
	if (setuid(AID_SHELL) != 0) {
	exit(1);
	}

	D("Local port disabled\n");
	} else {
	if ((root_seclabel != NULL) && (is_selinux_enabled() > 0)) {
	// b/12587913: fix setcon to allow const pointers
	if (setcon((char *)root_seclabel) < 0) {
	exit(1);
	}
	}
	std::string local_name = android::base::StringPrintf("tcp:%d", server_port);
	if (install_listener(local_name, "smartsocket", NULL, 0)) {
	exit(1);
	}
	}

	int usb = 0;
	if (access(USB_ADB_PATH, F_OK) == 0 \|\| access(USB_FFS_ADB_EP0, F_OK) == 0) {
	// listen on USB
	usb_init();
	usb = 1;
	}

	// If one of these properties is set, also listen on that port
	// If one of the properties isn't set and we couldn't listen on usb,
	// listen on the default port.
	property_get("service.adb.tcp.port", value, "");
	if (!value[0]) {
	property_get("persist.adb.tcp.port", value, "");
	}
	if (sscanf(value, "%d", &port) == 1 && port > 0) {
	printf("using port=%d\n", port);
	// listen on TCP port specified by service.adb.tcp.port property
	local_init(port);
	} else if (!usb) {
	// listen on default port
	local_init(DEFAULT_ADB_LOCAL_TRANSPORT_PORT);
	}

	D("adb_main(): pre init_jdwp()\n");
	init_jdwp();
	D("adb_main(): post init_jdwp()\n");
	#endif

	if (is_daemon)
	{
	// inform our parent that we are up and running.
	#if defined(_WIN32)
	DWORD count;
	WriteFile( GetStdHandle( STD_OUTPUT_HANDLE ), "OK\n", 3, &count, NULL );
	#else
	fprintf(stderr, "OK\n");
	#endif
	start_logging();
	}
	D("Event loop starting\n");

	fdevent_loop();

	usb_cleanup();

	return 0;
	}

	#if !ADB_HOST
	void close_stdin() {
	int fd = unix_open("/dev/null", O_RDONLY);
	if (fd == -1) {
	perror("failed to open /dev/null, stdin will remain open");
	return;
	}
	dup2(fd, 0);
	adb_close(fd);
	}
	#endif

	// TODO(danalbert): Split this file up into adb_main.cpp and adbd_main.cpp.
	int main(int argc, char **argv) {
	#if ADB_HOST
	// adb client/server
	adb_sysdeps_init();
	adb_trace_init();
	D("Handling commandline()\n");
	return adb_commandline(argc - 1, const_cast<const char**>(argv + 1));
	#else
	// adbd
	while (true) {
	static struct option opts[] = {
	{"root_seclabel", required_argument, nullptr, 's'},
	{"device_banner", required_argument, nullptr, 'b'},
	{"version", no_argument, nullptr, 'v'},
	};

	int option_index = 0;
	int c = getopt_long(argc, argv, "", opts, &option_index);
	if (c == -1)
	break;
	switch (c) {
	case 's':
	root_seclabel = optarg;
	break;
	case 'b':
	adb_device_banner = optarg;
	break;
	case 'v':
	printf("Android Debug Bridge Daemon version %d.%d.%d %s\n",
	ADB_VERSION_MAJOR, ADB_VERSION_MINOR, ADB_SERVER_VERSION,
	ADB_REVISION);
	return 0;
	default:
	break;
	}
	}

	close_stdin();

	adb_trace_init();

	/* If adbd runs inside the emulator this will enable adb tracing via
	* adb-debug qemud service in the emulator. */
	adb_qemu_trace_init();

	D("Handling main()\n");
	return adb_main(0, DEFAULT_ADB_PORT);
	#endif
	}