Merge "The bsddroid project has been dead since 2010." (88342c99) · Commits · e / os / android_system_core

adb/Android.mk

+0 −6

Original line number	Diff line number	Diff line
		@@ -56,12 +56,6 @@ ifeq ($(HOST_OS),darwin)
		LOCAL_CFLAGS += -Wno-sizeof-pointer-memaccess -Wno-unused-parameter
		endif

		ifeq ($(HOST_OS),freebsd)
		USB_SRCS := usb_libusb.c
		EXTRA_SRCS := get_my_path_freebsd.c
		LOCAL_LDLIBS += -lpthread -lusb
		endif

		ifeq ($(HOST_OS),windows)
		USB_SRCS := usb_windows.c
		EXTRA_SRCS := get_my_path_windows.c

adb/get_my_path_freebsd.c

deleted100644 → 0

+0 −36

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2009 bsdroid project
		* Alexey Tarasov <tarasov@dodologics.com>
		*
		* Copyright (C) 2007 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.
		*/

		#include <sys/types.h>
		#include <unistd.h>
		#include <limits.h>
		#include <stdio.h>

		void
		get_my_path(char *exe, size_t maxLen)
		{
		char proc[64];

		snprintf(proc, sizeof(proc), "/proc/%d/file", getpid());

		int err = readlink(proc, exe, maxLen - 1);

		exe[err > 0 ? err : 0] = '\0';
		}

adb/usb_libusb.c

deleted100644 → 0

+0 −657

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2009 bsdroid project
		* Alexey Tarasov <tarasov@dodologics.com>
		*
		* Copyright (C) 2007 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.
		*/

		#include <sys/endian.h>
		#include <sys/ioctl.h>
		#include <sys/types.h>
		#include <sys/uio.h>

		#include <err.h>
		#include <errno.h>
		#include <poll.h>
		#include <stdio.h>
		#include <stdlib.h>
		#include <strings.h>
		#include <string.h>
		#include <sysexits.h>
		#include <unistd.h>
		#include <libusb.h>
		#include "sysdeps.h"

		#define TRACE_TAG TRACE_USB
		#include "adb.h"

		static adb_mutex_t usb_lock = ADB_MUTEX_INITIALIZER;
		static libusb_context *ctx = NULL;

		struct usb_handle
		{
		usb_handle *prev;
		usb_handle *next;

		libusb_device *dev;
		libusb_device_handle *devh;
		int interface;
		uint8_t dev_bus;
		uint8_t dev_addr;

		int zero_mask;
		unsigned char end_point_address[2];
		char serial[128];

		adb_cond_t notify;
		adb_mutex_t lock;
		};

		static struct usb_handle handle_list = {
		.prev = &handle_list,
		.next = &handle_list,
		};

		void
		usb_cleanup()
		{
		libusb_exit(ctx);
		}

		void
		report_bulk_libusb_error(int r)
		{
		switch (r) {
		case LIBUSB_ERROR_TIMEOUT:
		D("Transfer timeout\n");
		break;

		case LIBUSB_ERROR_PIPE:
		D("Control request is not supported\n");
		break;

		case LIBUSB_ERROR_OVERFLOW:
		D("Device offered more data\n");
		break;

		case LIBUSB_ERROR_NO_DEVICE :
		D("Device was disconnected\n");
		break;

		default:
		D("Error %d during transfer\n", r);
		break;
		};
		}

		static int
		usb_bulk_write(usb_handle uh, const void data, int len)
		{
		int r = 0;
		int transferred = 0;

		r = libusb_bulk_transfer(uh->devh, uh->end_point_address[1], (void *)data, len,
		&transferred, 0);

		if (r != 0) {
		D("usb_bulk_write(): ");
		report_bulk_libusb_error(r);
		return r;
		}

		return (transferred);
		}

		static int
		usb_bulk_read(usb_handle uh, void data, int len)
		{
		int r = 0;
		int transferred = 0;

		r = libusb_bulk_transfer(uh->devh, uh->end_point_address[0], data, len,
		&transferred, 0);

		if (r != 0) {
		D("usb_bulk_read(): ");
		report_bulk_libusb_error(r);
		return r;
		}

		return (transferred);
		}

		int
		usb_write(struct usb_handle uh, const void _data, int len)
		{
		unsigned char data = (unsigned char) _data;
		int n;
		int need_zero = 0;

		if (uh->zero_mask == 1) {
		if (!(len & uh->zero_mask)) {
		need_zero = 1;
		}
		}

		D("usb_write(): %p:%d -> transport %p\n", _data, len, uh);

		while (len > 0) {
		int xfer = (len > 4096) ? 4096 : len;

		n = usb_bulk_write(uh, data, xfer);

		if (n != xfer) {
		D("usb_write(): failed for transport %p (%d bytes left)\n", uh, len);
		return -1;
		}

		len -= xfer;
		data += xfer;
		}

		if (need_zero){
		n = usb_bulk_write(uh, _data, 0);

		if (n < 0) {
		D("usb_write(): failed to finish operation for transport %p\n", uh);
		}
		return n;
		}

		return 0;
		}

		int
		usb_read(struct usb_handle uh, void _data, int len)
		{
		unsigned char data = (unsigned char) _data;
		int n;

		D("usb_read(): %p:%d <- transport %p\n", _data, len, uh);

		while (len > 0) {
		int xfer = (len > 4096) ? 4096 : len;

		n = usb_bulk_read(uh, data, xfer);

		if (n != xfer) {
		if (n > 0) {
		data += n;
		len -= n;
		continue;
		}

		D("usb_read(): failed for transport %p (%d bytes left)\n", uh, len);
		return -1;
		}

		len -= xfer;
		data += xfer;
		}

		return 0;
		}

		int
		usb_close(struct usb_handle *h)
		{
		D("usb_close(): closing transport %p\n", h);
		adb_mutex_lock(&usb_lock);

		h->next->prev = h->prev;
		h->prev->next = h->next;
		h->prev = NULL;
		h->next = NULL;

		libusb_release_interface(h->devh, h->interface);
		libusb_close(h->devh);
		libusb_unref_device(h->dev);

		adb_mutex_unlock(&usb_lock);

		free(h);

		return (0);
		}

		void usb_kick(struct usb_handle *h)
		{
		D("usb_cick(): kicking transport %p\n", h);

		adb_mutex_lock(&h->lock);
		unregister_usb_transport(h);
		adb_mutex_unlock(&h->lock);

		h->next->prev = h->prev;
		h->prev->next = h->next;
		h->prev = NULL;
		h->next = NULL;

		libusb_release_interface(h->devh, h->interface);
		libusb_close(h->devh);
		libusb_unref_device(h->dev);
		free(h);
		}

		int
		check_usb_interface(libusb_interface *interface,
		libusb_device_descriptor *desc,
		struct usb_handle *uh)
		{
		int e;

		if (interface->num_altsetting == 0) {
		D("check_usb_interface(): No interface settings\n");
		return -1;
		}

		libusb_interface_descriptor *idesc = &interface->altsetting[0];

		if (idesc->bNumEndpoints != 2) {
		D("check_usb_interface(): Interface have not 2 endpoints, ignoring\n");
		return -1;
		}

		for (e = 0; e < idesc->bNumEndpoints; e++) {
		libusb_endpoint_descriptor *edesc = &idesc->endpoint[e];

		if (edesc->bmAttributes != LIBUSB_TRANSFER_TYPE_BULK) {
		D("check_usb_interface(): Endpoint (%u) is not bulk (%u), ignoring\n",
		edesc->bmAttributes, LIBUSB_TRANSFER_TYPE_BULK);
		return -1;
		}

		if (edesc->bEndpointAddress & LIBUSB_ENDPOINT_IN)
		uh->end_point_address[0] = edesc->bEndpointAddress;
		else
		uh->end_point_address[1] = edesc->bEndpointAddress;

		/* aproto 01 needs 0 termination */
		if (idesc->bInterfaceProtocol == 0x01) {
		uh->zero_mask = edesc->wMaxPacketSize - 1;
		D("check_usb_interface(): Forced Android interface protocol v.1\n");
		}
		}

		D("check_usb_interface(): Device: %04x:%04x "
		"iclass: %x, isclass: %x, iproto: %x ep: %x/%x-> ",
		desc->idVendor, desc->idProduct, idesc->bInterfaceClass,
		idesc->bInterfaceSubClass, idesc->bInterfaceProtocol,
		uh->end_point_address[0], uh->end_point_address[1]);

		if (!is_adb_interface(desc->idVendor, desc->idProduct,
		idesc->bInterfaceClass, idesc->bInterfaceSubClass,
		idesc->bInterfaceProtocol))
		{
		D("not matches\n");
		return -1;
		}

		D("matches\n");
		return 1;
		}

		int
		check_usb_interfaces(libusb_config_descriptor *config,
		libusb_device_descriptor desc, struct usb_handle uh)
		{
		int i;

		for (i = 0; i < config->bNumInterfaces; ++i) {
		if (check_usb_interface(&config->interface[i], desc, uh) != -1) {
		/* found some interface and saved information about it */
		D("check_usb_interfaces(): Interface %d of %04x:%04x "
		"matches Android device\n", i, desc->idVendor,
		desc->idProduct);

		return i;
		}
		}

		return -1;
		}

		int
		register_device(struct usb_handle uh, const char serial)
		{
		D("register_device(): Registering %p [%s] as USB transport\n",
		uh, serial);

		struct usb_handle *usb= NULL;

		usb = calloc(1, sizeof(struct usb_handle));
		memcpy(usb, uh, sizeof(struct usb_handle));
		strcpy(usb->serial, uh->serial);

		adb_cond_init(&usb->notify, 0);
		adb_mutex_init(&usb->lock, 0);

		adb_mutex_lock(&usb_lock);

		usb->next = &handle_list;
		usb->prev = handle_list.prev;
		usb->prev->next = usb;
		usb->next->prev = usb;

		adb_mutex_unlock(&usb_lock);

		register_usb_transport(usb, serial, NULL, 1);

		return (1);
		}

		int
		already_registered(usb_handle *uh)
		{
		struct usb_handle *usb= NULL;
		int exists = 0;

		adb_mutex_lock(&usb_lock);

		for (usb = handle_list.next; usb != &handle_list; usb = usb->next) {
		if ((usb->dev_bus == uh->dev_bus) &&
		(usb->dev_addr == uh->dev_addr))
		{
		exists = 1;
		break;
		}
		}

		adb_mutex_unlock(&usb_lock);

		return exists;
		}

		void
		check_device(libusb_device *dev)
		{
		struct usb_handle uh;
		int i = 0;
		int found = -1;
		char serial[256] = {0};

		libusb_device_descriptor desc;
		libusb_config_descriptor *config = NULL;

		int r = libusb_get_device_descriptor(dev, &desc);

		if (r != LIBUSB_SUCCESS) {
		D("check_device(): Failed to get device descriptor\n");
		return;
		}

		if ((desc.idVendor == 0) && (desc.idProduct == 0))
		return;

		D("check_device(): Probing usb device %04x:%04x\n",
		desc.idVendor, desc.idProduct);

		if (!is_adb_interface (desc.idVendor, desc.idProduct,
		ADB_CLASS, ADB_SUBCLASS, ADB_PROTOCOL))
		{
		D("check_device(): Ignored due unknown vendor id\n");
		return;
		}

		uh.dev_bus = libusb_get_bus_number(dev);
		uh.dev_addr = libusb_get_device_address(dev);

		if (already_registered(&uh)) {
		D("check_device(): Device (bus: %d, address: %d) "
		"is already registered\n", uh.dev_bus, uh.dev_addr);
		return;
		}

		D("check_device(): Device bus: %d, address: %d\n",
		uh.dev_bus, uh.dev_addr);

		r = libusb_get_active_config_descriptor(dev, &config);

		if (r != 0) {
		if (r == LIBUSB_ERROR_NOT_FOUND) {
		D("check_device(): Device %4x:%4x is unconfigured\n",
		desc.idVendor, desc.idProduct);
		return;
		}

		D("check_device(): Failed to get configuration for %4x:%4x\n",
		desc.idVendor, desc.idProduct);
		return;
		}

		if (config == NULL) {
		D("check_device(): Sanity check failed after "
		"getting active config\n");
		return;
		}

		if (config->interface != NULL) {
		found = check_usb_interfaces(config, &desc, &uh);
		}

		/* not needed anymore */
		libusb_free_config_descriptor(config);

		r = libusb_open(dev, &uh.devh);
		uh.dev = dev;

		if (r != 0) {
		switch (r) {
		case LIBUSB_ERROR_NO_MEM:
		D("check_device(): Memory allocation problem\n");
		break;

		case LIBUSB_ERROR_ACCESS:
		D("check_device(): Permissions problem, "
		"current user priveleges are messed up?\n");
		break;

		case LIBUSB_ERROR_NO_DEVICE:
		D("check_device(): Device disconected, bad cable?\n");
		break;

		default:
		D("check_device(): libusb triggered error %d\n", r);
		}
		// skip rest
		found = -1;
		}

		if (found >= 0) {
		D("check_device(): Device matches Android interface\n");
		// read the device's serial number
		memset(serial, 0, sizeof(serial));
		uh.interface = found;

		r = libusb_claim_interface(uh.devh, uh.interface);

		if (r < 0) {
		D("check_device(): Failed to claim interface %d\n",
		uh.interface);

		goto fail;
		}

		if (desc.iSerialNumber) {
		// reading serial
		uint16_t buffer[128] = {0};
		uint16_t languages[128] = {0};
		int languageCount = 0;

		memset(languages, 0, sizeof(languages));
		r = libusb_control_transfer(uh.devh,
		LIBUSB_ENDPOINT_IN \| LIBUSB_REQUEST_TYPE_STANDARD \| LIBUSB_RECIPIENT_DEVICE,
		LIBUSB_REQUEST_GET_DESCRIPTOR, LIBUSB_DT_STRING << 8,
		0, (uint8_t *)languages, sizeof(languages), 0);

		if (r <= 0) {
		D("check_device(): Failed to get languages count\n");
		goto fail;
		}

		languageCount = (r - 2) / 2;

		for (i = 1; i <= languageCount; ++i) {
		memset(buffer, 0, sizeof(buffer));

		r = libusb_control_transfer(uh.devh,
		LIBUSB_ENDPOINT_IN \| LIBUSB_REQUEST_TYPE_STANDARD \| LIBUSB_RECIPIENT_DEVICE,
		LIBUSB_REQUEST_GET_DESCRIPTOR, (LIBUSB_DT_STRING << 8) \| desc.iSerialNumber,
		languages[i], (uint8_t *)buffer, sizeof(buffer), 0);

		if (r > 0) { /* converting serial */
		int j = 0;
		r /= 2;

		for (j = 1; j < r; ++j)
		serial[j - 1] = buffer[j];

		serial[j - 1] = '\0';
		break; /* languagesCount cycle */
		}
		}

		if (register_device(&uh, serial) == 0) {
		D("check_device(): Failed to register device\n");
		goto fail_interface;
		}

		libusb_ref_device(dev);
		}
		}

		return;

		fail_interface:
		libusb_release_interface(uh.devh, uh.interface);

		fail:
		libusb_close(uh.devh);
		uh.devh = NULL;
		}

		int
		check_device_connected(struct usb_handle *uh)
		{
		int r = libusb_kernel_driver_active(uh->devh, uh->interface);

		if (r == LIBUSB_ERROR_NO_DEVICE)
		return 0;

		if (r < 0)
		return -1;

		return 1;
		}

		void
		kick_disconnected()
		{
		struct usb_handle *usb= NULL;

		adb_mutex_lock(&usb_lock);

		for (usb = handle_list.next; usb != &handle_list; usb = usb->next) {

		if (check_device_connected(usb) == 0) {
		D("kick_disconnected(): Transport %p is not online anymore\n",
		usb);

		usb_kick(usb);
		}
		}

		adb_mutex_unlock(&usb_lock);
		}

		void
		scan_usb_devices()
		{
		D("scan_usb_devices(): started\n");

		libusb_device **devs= NULL;
		libusb_device *dev= NULL;
		ssize_t cnt = libusb_get_device_list(ctx, &devs);

		if (cnt < 0) {
		D("scan_usb_devices(): Failed to get device list (error: %d)\n",
		cnt);

		return;
		}

		int i = 0;

		while ((dev = devs[i++]) != NULL) {
		check_device(dev);
		}

		libusb_free_device_list(devs, 1);
		}

		void *
		device_poll_thread(void* unused)
		{
		D("device_poll_thread(): Created USB scan thread\n");

		for (;;) {
		sleep(5);
		kick_disconnected();
		scan_usb_devices();
		}

		/* never reaching this point */
		return (NULL);
		}

		static void
		sigalrm_handler(int signo)
		{
		/* nothing */
		}

		void
		usb_init()
		{
		D("usb_init(): started\n");
		adb_thread_t tid;
		struct sigaction actions;

		int r = libusb_init(&ctx);

		if (r != LIBUSB_SUCCESS) {
		err(EX_IOERR, "Failed to init libusb\n");
		}

		memset(&actions, 0, sizeof(actions));

		sigemptyset(&actions.sa_mask);

		actions.sa_flags = 0;
		actions.sa_handler = sigalrm_handler;

		sigaction(SIGALRM, &actions, NULL);

		/* initial device scan */
		scan_usb_devices();

		/* starting USB event polling thread */
		if (adb_thread_create(&tid, device_poll_thread, NULL)) {
		err(EX_IOERR, "cannot create USB scan thread\n");
		}

		D("usb_init(): finished\n");
		}