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platform_system_core/adb/adb.cpp

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/*
* 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.
*/
#define TRACE_TAG TRACE_ADB
#include "sysdeps.h"
#include "adb.h"
#include <ctype.h>
#include <errno.h>
#include <stdarg.h>
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/time.h>
#include <time.h>
#include <string>
#include "adb_auth.h"
#include "adb_io.h"
#include "adb_listeners.h"
#include "transport.h"
#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
#if !ADB_HOST
#include <cutils/properties.h>
#include <sys/capability.h>
#include <sys/mount.h>
#endif
#if ADB_TRACE
ADB_MUTEX_DEFINE( D_lock );
#endif
int HOST = 0;
#if !ADB_HOST
const char *adb_device_banner = "device";
#endif
void fatal(const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
fprintf(stderr, "error: ");
vfprintf(stderr, fmt, ap);
fprintf(stderr, "\n");
va_end(ap);
exit(-1);
}
void fatal_errno(const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
fprintf(stderr, "error: %s: ", strerror(errno));
vfprintf(stderr, fmt, ap);
fprintf(stderr, "\n");
va_end(ap);
exit(-1);
}
#if !ADB_HOST
void start_device_log(void) {
adb_mkdir("/data/adb", 0775);
struct tm now;
time_t t;
tzset();
time(&t);
localtime_r(&t, &now);
char path[PATH_MAX];
strftime(path, sizeof(path), "/data/adb/adb-%Y-%m-%d-%H-%M-%S.txt", &now);
int fd = unix_open(path, O_WRONLY | O_CREAT | O_TRUNC, 0640);
if (fd == -1) {
return;
}
// redirect stdout and stderr to the log file
dup2(fd, STDOUT_FILENO);
dup2(fd, STDERR_FILENO);
fprintf(stderr, "--- adb starting (pid %d) ---\n", getpid());
adb_close(fd);
fd = unix_open("/dev/null", O_RDONLY);
dup2(fd, 0);
adb_close(fd);
}
#endif
int adb_trace_mask;
std::string get_trace_setting_from_env() {
const char* setting = getenv("ADB_TRACE");
if (setting == nullptr) {
setting = "";
}
return std::string(setting);
}
#if !ADB_HOST
std::string get_trace_setting_from_prop() {
char buf[PROPERTY_VALUE_MAX];
property_get("persist.adb.trace_mask", buf, "");
return std::string(buf);
}
#endif
std::string get_trace_setting() {
#if ADB_HOST
return get_trace_setting_from_env();
#else
return get_trace_setting_from_prop();
#endif
}
// Split the comma/space/colum/semi-column separated list of tags from the trace
// setting and build the trace mask from it. note that '1' and 'all' are special
// cases to enable all tracing.
//
// adb's trace setting comes from the ADB_TRACE environment variable, whereas
// adbd's comes from the system property persist.adb.trace_mask.
void adb_trace_init() {
const std::string trace_setting = get_trace_setting();
static const struct {
const char* tag;
int flag;
} tags[] = {
{ "1", 0 },
{ "all", 0 },
{ "adb", TRACE_ADB },
{ "sockets", TRACE_SOCKETS },
{ "packets", TRACE_PACKETS },
{ "rwx", TRACE_RWX },
{ "usb", TRACE_USB },
{ "sync", TRACE_SYNC },
{ "sysdeps", TRACE_SYSDEPS },
{ "transport", TRACE_TRANSPORT },
{ "jdwp", TRACE_JDWP },
{ "services", TRACE_SERVICES },
{ "auth", TRACE_AUTH },
{ NULL, 0 }
};
if (trace_setting.empty()) {
return;
}
// Use a comma/colon/semi-colon/space separated list
const char* p = trace_setting.c_str();
while (*p) {
int len, tagn;
const char* q = strpbrk(p, " ,:;");
if (q == NULL) {
q = p + strlen(p);
}
len = q - p;
for (tagn = 0; tags[tagn].tag != NULL; tagn++) {
int taglen = strlen(tags[tagn].tag);
if (len == taglen && !memcmp(tags[tagn].tag, p, len)) {
int flag = tags[tagn].flag;
if (flag == 0) {
adb_trace_mask = ~0;
return;
}
adb_trace_mask |= (1 << flag);
break;
}
}
p = q;
if (*p)
p++;
}
#if !ADB_HOST
start_device_log();
#endif
}
apacket* get_apacket(void)
{
apacket* p = reinterpret_cast<apacket*>(malloc(sizeof(apacket)));
if (p == nullptr) {
fatal("failed to allocate an apacket");
}
memset(p, 0, sizeof(apacket) - MAX_PAYLOAD);
return p;
}
void put_apacket(apacket *p)
{
free(p);
}
void handle_online(atransport *t)
{
D("adb: online\n");
t->online = 1;
}
void handle_offline(atransport *t)
{
D("adb: offline\n");
//Close the associated usb
t->online = 0;
run_transport_disconnects(t);
}
#if DEBUG_PACKETS
#define DUMPMAX 32
void print_packet(const char *label, apacket *p)
{
char *tag;
char *x;
unsigned count;
switch(p->msg.command){
case A_SYNC: tag = "SYNC"; break;
case A_CNXN: tag = "CNXN" ; break;
case A_OPEN: tag = "OPEN"; break;
case A_OKAY: tag = "OKAY"; break;
case A_CLSE: tag = "CLSE"; break;
case A_WRTE: tag = "WRTE"; break;
case A_AUTH: tag = "AUTH"; break;
default: tag = "????"; break;
}
fprintf(stderr, "%s: %s %08x %08x %04x \"",
label, tag, p->msg.arg0, p->msg.arg1, p->msg.data_length);
count = p->msg.data_length;
x = (char*) p->data;
if(count > DUMPMAX) {
count = DUMPMAX;
tag = "\n";
} else {
tag = "\"\n";
}
while(count-- > 0){
if((*x >= ' ') && (*x < 127)) {
fputc(*x, stderr);
} else {
fputc('.', stderr);
}
x++;
}
fputs(tag, stderr);
}
#endif
static void send_ready(unsigned local, unsigned remote, atransport *t)
{
D("Calling send_ready \n");
apacket *p = get_apacket();
p->msg.command = A_OKAY;
p->msg.arg0 = local;
p->msg.arg1 = remote;
send_packet(p, t);
}
static void send_close(unsigned local, unsigned remote, atransport *t)
{
D("Calling send_close \n");
apacket *p = get_apacket();
p->msg.command = A_CLSE;
p->msg.arg0 = local;
p->msg.arg1 = remote;
send_packet(p, t);
}
static size_t fill_connect_data(char *buf, size_t bufsize)
{
#if ADB_HOST
return snprintf(buf, bufsize, "host::") + 1;
#else
static const char *cnxn_props[] = {
"ro.product.name",
"ro.product.model",
"ro.product.device",
};
static const int num_cnxn_props = ARRAY_SIZE(cnxn_props);
int i;
size_t remaining = bufsize;
size_t len;
len = snprintf(buf, remaining, "%s::", adb_device_banner);
remaining -= len;
buf += len;
for (i = 0; i < num_cnxn_props; i++) {
char value[PROPERTY_VALUE_MAX];
property_get(cnxn_props[i], value, "");
len = snprintf(buf, remaining, "%s=%s;", cnxn_props[i], value);
remaining -= len;
buf += len;
}
return bufsize - remaining + 1;
#endif
}
#if !ADB_HOST
static void send_msg_with_header(int fd, const char* msg, size_t msglen) {
char header[5];
if (msglen > 0xffff)
msglen = 0xffff;
snprintf(header, sizeof(header), "%04x", (unsigned)msglen);
WriteFdExactly(fd, header, 4);
WriteFdExactly(fd, msg, msglen);
}
#endif
#if ADB_HOST
static void send_msg_with_okay(int fd, const char* msg, size_t msglen) {
char header[9];
if (msglen > 0xffff)
msglen = 0xffff;
snprintf(header, sizeof(header), "OKAY%04x", (unsigned)msglen);
WriteFdExactly(fd, header, 8);
WriteFdExactly(fd, msg, msglen);
}
#endif // ADB_HOST
void send_connect(atransport *t)
{
D("Calling send_connect \n");
apacket *cp = get_apacket();
cp->msg.command = A_CNXN;
cp->msg.arg0 = A_VERSION;
cp->msg.arg1 = MAX_PAYLOAD;
cp->msg.data_length = fill_connect_data((char *)cp->data,
sizeof(cp->data));
send_packet(cp, t);
}
#if ADB_HOST
static const char* connection_state_name(atransport *t)
{
if (t == NULL) {
return "unknown";
}
switch(t->connection_state) {
case CS_BOOTLOADER:
return "bootloader";
case CS_DEVICE:
return "device";
case CS_RECOVERY:
return "recovery";
case CS_SIDELOAD:
return "sideload";
case CS_OFFLINE:
return "offline";
case CS_UNAUTHORIZED:
return "unauthorized";
default:
return "unknown";
}
}
#endif // ADB_HOST
/* qual_overwrite is used to overwrite a qualifier string. dst is a
* pointer to a char pointer. It is assumed that if *dst is non-NULL, it
* was malloc'ed and needs to freed. *dst will be set to a dup of src.
*/
static void qual_overwrite(char **dst, const char *src)
{
if (!dst)
return;
free(*dst);
*dst = NULL;
if (!src || !*src)
return;
*dst = strdup(src);
}
void parse_banner(char *banner, atransport *t)
{
static const char *prop_seps = ";";
static const char key_val_sep = '=';
char *cp;
char *type;
D("parse_banner: %s\n", banner);
type = banner;
cp = strchr(type, ':');
if (cp) {
*cp++ = 0;
/* Nothing is done with second field. */
cp = strchr(cp, ':');
if (cp) {
char *save;
char *key;
key = adb_strtok_r(cp + 1, prop_seps, &save);
while (key) {
cp = strchr(key, key_val_sep);
if (cp) {
*cp++ = '\0';
if (!strcmp(key, "ro.product.name"))
qual_overwrite(&t->product, cp);
else if (!strcmp(key, "ro.product.model"))
qual_overwrite(&t->model, cp);
else if (!strcmp(key, "ro.product.device"))
qual_overwrite(&t->device, cp);
}
key = adb_strtok_r(NULL, prop_seps, &save);
}
}
}
if(!strcmp(type, "bootloader")){
D("setting connection_state to CS_BOOTLOADER\n");
t->connection_state = CS_BOOTLOADER;
update_transports();
return;
}
if(!strcmp(type, "device")) {
D("setting connection_state to CS_DEVICE\n");
t->connection_state = CS_DEVICE;
update_transports();
return;
}
if(!strcmp(type, "recovery")) {
D("setting connection_state to CS_RECOVERY\n");
t->connection_state = CS_RECOVERY;
update_transports();
return;
}
if(!strcmp(type, "sideload")) {
D("setting connection_state to CS_SIDELOAD\n");
t->connection_state = CS_SIDELOAD;
update_transports();
return;
}
t->connection_state = CS_HOST;
}
void handle_packet(apacket *p, atransport *t)
{
asocket *s;
D("handle_packet() %c%c%c%c\n", ((char*) (&(p->msg.command)))[0],
((char*) (&(p->msg.command)))[1],
((char*) (&(p->msg.command)))[2],
((char*) (&(p->msg.command)))[3]);
print_packet("recv", p);
switch(p->msg.command){
case A_SYNC:
if(p->msg.arg0){
send_packet(p, t);
if(HOST) send_connect(t);
} else {
t->connection_state = CS_OFFLINE;
handle_offline(t);
send_packet(p, t);
}
return;
case A_CNXN: /* CONNECT(version, maxdata, "system-id-string") */
/* XXX verify version, etc */
if(t->connection_state != CS_OFFLINE) {
t->connection_state = CS_OFFLINE;
handle_offline(t);
}
parse_banner((char*) p->data, t);
if (HOST || !auth_enabled) {
handle_online(t);
if(!HOST) send_connect(t);
} else {
send_auth_request(t);
}
break;
case A_AUTH:
if (p->msg.arg0 == ADB_AUTH_TOKEN) {
t->connection_state = CS_UNAUTHORIZED;
t->key = adb_auth_nextkey(t->key);
if (t->key) {
send_auth_response(p->data, p->msg.data_length, t);
} else {
/* No more private keys to try, send the public key */
send_auth_publickey(t);
}
} else if (p->msg.arg0 == ADB_AUTH_SIGNATURE) {
if (adb_auth_verify(t->token, p->data, p->msg.data_length)) {
adb_auth_verified(t);
t->failed_auth_attempts = 0;
} else {
if (t->failed_auth_attempts++ > 10)
adb_sleep_ms(1000);
send_auth_request(t);
}
} else if (p->msg.arg0 == ADB_AUTH_RSAPUBLICKEY) {
adb_auth_confirm_key(p->data, p->msg.data_length, t);
}
break;
case A_OPEN: /* OPEN(local-id, 0, "destination") */
if (t->online && p->msg.arg0 != 0 && p->msg.arg1 == 0) {
char *name = (char*) p->data;
name[p->msg.data_length > 0 ? p->msg.data_length - 1 : 0] = 0;
s = create_local_service_socket(name);
if(s == 0) {
send_close(0, p->msg.arg0, t);
} else {
s->peer = create_remote_socket(p->msg.arg0, t);
s->peer->peer = s;
send_ready(s->id, s->peer->id, t);
s->ready(s);
}
}
break;
case A_OKAY: /* READY(local-id, remote-id, "") */
if (t->online && p->msg.arg0 != 0 && p->msg.arg1 != 0) {
if((s = find_local_socket(p->msg.arg1, 0))) {
if(s->peer == 0) {
/* On first READY message, create the connection. */
s->peer = create_remote_socket(p->msg.arg0, t);
s->peer->peer = s;
s->ready(s);
} else if (s->peer->id == p->msg.arg0) {
/* Other READY messages must use the same local-id */
s->ready(s);
} else {
D("Invalid A_OKAY(%d,%d), expected A_OKAY(%d,%d) on transport %s\n",
p->msg.arg0, p->msg.arg1, s->peer->id, p->msg.arg1, t->serial);
}
}
}
break;
case A_CLSE: /* CLOSE(local-id, remote-id, "") or CLOSE(0, remote-id, "") */
if (t->online && p->msg.arg1 != 0) {
if((s = find_local_socket(p->msg.arg1, p->msg.arg0))) {
/* According to protocol.txt, p->msg.arg0 might be 0 to indicate
* a failed OPEN only. However, due to a bug in previous ADB
* versions, CLOSE(0, remote-id, "") was also used for normal
* CLOSE() operations.
*
* This is bad because it means a compromised adbd could
* send packets to close connections between the host and
* other devices. To avoid this, only allow this if the local
* socket has a peer on the same transport.
*/
if (p->msg.arg0 == 0 && s->peer && s->peer->transport != t) {
D("Invalid A_CLSE(0, %u) from transport %s, expected transport %s\n",
p->msg.arg1, t->serial, s->peer->transport->serial);
} else {
s->close(s);
}
}
}
break;
case A_WRTE: /* WRITE(local-id, remote-id, <data>) */
if (t->online && p->msg.arg0 != 0 && p->msg.arg1 != 0) {
if((s = find_local_socket(p->msg.arg1, p->msg.arg0))) {
unsigned rid = p->msg.arg0;
p->len = p->msg.data_length;
if(s->enqueue(s, p) == 0) {
D("Enqueue the socket\n");
send_ready(s->id, rid, t);
}
return;
}
}
break;
default:
printf("handle_packet: what is %08x?!\n", p->msg.command);
}
put_apacket(p);
}
#if ADB_HOST
int launch_server(int server_port)
{
#if defined(_WIN32)
/* we need to start the server in the background */
/* we create a PIPE that will be used to wait for the server's "OK" */
/* message since the pipe handles must be inheritable, we use a */
/* security attribute */
HANDLE pipe_read, pipe_write;
HANDLE stdout_handle, stderr_handle;
SECURITY_ATTRIBUTES sa;
STARTUPINFO startup;
PROCESS_INFORMATION pinfo;
char program_path[ MAX_PATH ];
int ret;
sa.nLength = sizeof(sa);
sa.lpSecurityDescriptor = NULL;
sa.bInheritHandle = TRUE;
/* create pipe, and ensure its read handle isn't inheritable */
ret = CreatePipe( &pipe_read, &pipe_write, &sa, 0 );
if (!ret) {
fprintf(stderr, "CreatePipe() failure, error %ld\n", GetLastError() );
return -1;
}
SetHandleInformation( pipe_read, HANDLE_FLAG_INHERIT, 0 );
/* Some programs want to launch an adb command and collect its output by
* calling CreateProcess with inheritable stdout/stderr handles, then
* using read() to get its output. When this happens, the stdout/stderr
* handles passed to the adb client process will also be inheritable.
* When starting the adb server here, care must be taken to reset them
* to non-inheritable.
* Otherwise, something bad happens: even if the adb command completes,
* the calling process is stuck while read()-ing from the stdout/stderr
* descriptors, because they're connected to corresponding handles in the
* adb server process (even if the latter never uses/writes to them).
*/
stdout_handle = GetStdHandle( STD_OUTPUT_HANDLE );
stderr_handle = GetStdHandle( STD_ERROR_HANDLE );
if (stdout_handle != INVALID_HANDLE_VALUE) {
SetHandleInformation( stdout_handle, HANDLE_FLAG_INHERIT, 0 );
}
if (stderr_handle != INVALID_HANDLE_VALUE) {
SetHandleInformation( stderr_handle, HANDLE_FLAG_INHERIT, 0 );
}
ZeroMemory( &startup, sizeof(startup) );
startup.cb = sizeof(startup);
startup.hStdInput = GetStdHandle( STD_INPUT_HANDLE );
startup.hStdOutput = pipe_write;
startup.hStdError = GetStdHandle( STD_ERROR_HANDLE );
startup.dwFlags = STARTF_USESTDHANDLES;
ZeroMemory( &pinfo, sizeof(pinfo) );
/* get path of current program */
GetModuleFileName( NULL, program_path, sizeof(program_path) );
char args[64];
snprintf(args, sizeof(args), "adb -P %d fork-server server", server_port);
ret = CreateProcess(
program_path, /* program path */
args,
/* the fork-server argument will set the
debug = 2 in the child */
NULL, /* process handle is not inheritable */
NULL, /* thread handle is not inheritable */
TRUE, /* yes, inherit some handles */
DETACHED_PROCESS, /* the new process doesn't have a console */
NULL, /* use parent's environment block */
NULL, /* use parent's starting directory */
&startup, /* startup info, i.e. std handles */
&pinfo );
CloseHandle( pipe_write );
if (!ret) {
fprintf(stderr, "CreateProcess failure, error %ld\n", GetLastError() );
CloseHandle( pipe_read );
return -1;
}
CloseHandle( pinfo.hProcess );
CloseHandle( pinfo.hThread );
/* wait for the "OK\n" message */
{
char temp[3];
DWORD count;
ret = ReadFile( pipe_read, temp, 3, &count, NULL );
CloseHandle( pipe_read );
if ( !ret ) {
fprintf(stderr, "could not read ok from ADB Server, error = %ld\n", GetLastError() );
return -1;
}
if (count != 3 || temp[0] != 'O' || temp[1] != 'K' || temp[2] != '\n') {
fprintf(stderr, "ADB server didn't ACK\n" );
return -1;
}
}
#else /* !defined(_WIN32) */
char path[PATH_MAX];
int fd[2];
// set up a pipe so the child can tell us when it is ready.
// fd[0] will be parent's end, and fd[1] will get mapped to stderr in the child.
if (pipe(fd)) {
fprintf(stderr, "pipe failed in launch_server, errno: %d\n", errno);
return -1;
}
get_my_path(path, PATH_MAX);
pid_t pid = fork();
if(pid < 0) return -1;
if (pid == 0) {
// child side of the fork
// redirect stderr to the pipe
// we use stderr instead of stdout due to stdout's buffering behavior.
adb_close(fd[0]);
dup2(fd[1], STDERR_FILENO);
adb_close(fd[1]);
char str_port[30];
snprintf(str_port, sizeof(str_port), "%d", server_port);
// child process
int result = execl(path, "adb", "-P", str_port, "fork-server", "server", NULL);
// this should not return
fprintf(stderr, "OOPS! execl returned %d, errno: %d\n", result, errno);
} else {
// parent side of the fork
char temp[3];
temp[0] = 'A'; temp[1] = 'B'; temp[2] = 'C';
// wait for the "OK\n" message
adb_close(fd[1]);
int ret = adb_read(fd[0], temp, 3);
int saved_errno = errno;
adb_close(fd[0]);
if (ret < 0) {
fprintf(stderr, "could not read ok from ADB Server, errno = %d\n", saved_errno);
return -1;
}
if (ret != 3 || temp[0] != 'O' || temp[1] != 'K' || temp[2] != '\n') {
fprintf(stderr, "ADB server didn't ACK\n" );
return -1;
}
setsid();
}
#endif /* !defined(_WIN32) */
return 0;
}
#endif /* ADB_HOST */
// Try to handle a network forwarding request.
// This returns 1 on success, 0 on failure, and -1 to indicate this is not
// a forwarding-related request.
int handle_forward_request(const char* service, transport_type ttype, char* serial, int reply_fd)
{
if (!strcmp(service, "list-forward")) {
// Create the list of forward redirections.
int buffer_size = format_listeners(NULL, 0);
// Add one byte for the trailing zero.
char* buffer = reinterpret_cast<char*>(malloc(buffer_size + 1));
if (buffer == nullptr) {
sendfailmsg(reply_fd, "not enough memory");
return 1;
}
(void) format_listeners(buffer, buffer_size + 1);
#if ADB_HOST
send_msg_with_okay(reply_fd, buffer, buffer_size);
#else
send_msg_with_header(reply_fd, buffer, buffer_size);
#endif
free(buffer);
return 1;
}
if (!strcmp(service, "killforward-all")) {
remove_all_listeners();
#if ADB_HOST
/* On the host: 1st OKAY is connect, 2nd OKAY is status */
adb_write(reply_fd, "OKAY", 4);
#endif
adb_write(reply_fd, "OKAY", 4);
return 1;
}
if (!strncmp(service, "forward:",8) ||
!strncmp(service, "killforward:",12)) {
char *local, *remote;
int r;
atransport *transport;
int createForward = strncmp(service, "kill", 4);
int no_rebind = 0;
local = strchr(service, ':') + 1;
// Handle forward:norebind:<local>... here
if (createForward && !strncmp(local, "norebind:", 9)) {
no_rebind = 1;
local = strchr(local, ':') + 1;
}
remote = strchr(local,';');
if (createForward) {
// Check forward: parameter format: '<local>;<remote>'
if(remote == 0) {
sendfailmsg(reply_fd, "malformed forward spec");
return 1;
}
*remote++ = 0;
if((local[0] == 0) || (remote[0] == 0) || (remote[0] == '*')) {
sendfailmsg(reply_fd, "malformed forward spec");
return 1;
}
} else {
// Check killforward: parameter format: '<local>'
if (local[0] == 0) {
sendfailmsg(reply_fd, "malformed forward spec");
return 1;
}
}
const char* err;
transport = acquire_one_transport(CS_ANY, ttype, serial, &err);
if (!transport) {
sendfailmsg(reply_fd, err);
return 1;
}
if (createForward) {
r = install_listener(local, remote, transport, no_rebind);
} else {
r = remove_listener(local, transport);
}
if(r == 0) {
#if ADB_HOST
/* On the host: 1st OKAY is connect, 2nd OKAY is status */
WriteFdExactly(reply_fd, "OKAY", 4);
#endif
WriteFdExactly(reply_fd, "OKAY", 4);
return 1;
}
if (createForward) {
const char* message;
switch (r) {
case INSTALL_STATUS_CANNOT_BIND:
message = "cannot bind to socket";
break;
case INSTALL_STATUS_CANNOT_REBIND:
message = "cannot rebind existing socket";
break;
default:
message = "internal error";
}
sendfailmsg(reply_fd, message);
} else {
sendfailmsg(reply_fd, "cannot remove listener");
}
return 1;
}
return 0;
}
int handle_host_request(char *service, transport_type ttype, char* serial, int reply_fd, asocket *s)
{
if(!strcmp(service, "kill")) {
fprintf(stderr,"adb server killed by remote request\n");
fflush(stdout);
adb_write(reply_fd, "OKAY", 4);
usb_cleanup();
exit(0);
}
#if ADB_HOST
atransport *transport = NULL;
// "transport:" is used for switching transport with a specified serial number
// "transport-usb:" is used for switching transport to the only USB transport
// "transport-local:" is used for switching transport to the only local transport
// "transport-any:" is used for switching transport to the only transport
if (!strncmp(service, "transport", strlen("transport"))) {
transport_type type = kTransportAny;
if (!strncmp(service, "transport-usb", strlen("transport-usb"))) {
type = kTransportUsb;
} else if (!strncmp(service, "transport-local", strlen("transport-local"))) {
type = kTransportLocal;
} else if (!strncmp(service, "transport-any", strlen("transport-any"))) {
type = kTransportAny;
} else if (!strncmp(service, "transport:", strlen("transport:"))) {
service += strlen("transport:");
serial = service;
}
const char* error_string = "unknown failure";
transport = acquire_one_transport(CS_ANY, type, serial, &error_string);
if (transport) {
s->transport = transport;
adb_write(reply_fd, "OKAY", 4);
} else {
sendfailmsg(reply_fd, error_string);
}
return 1;
}
// return a list of all connected devices
if (!strncmp(service, "devices", 7)) {
char buffer[4096];
int use_long = !strcmp(service+7, "-l");
if (use_long || service[7] == 0) {
memset(buffer, 0, sizeof(buffer));
D("Getting device list \n");
list_transports(buffer, sizeof(buffer), use_long);
D("Wrote device list \n");
send_msg_with_okay(reply_fd, buffer, strlen(buffer));
return 0;
}
}
// remove TCP transport
if (!strncmp(service, "disconnect:", 11)) {
char buffer[4096];
memset(buffer, 0, sizeof(buffer));
char* serial = service + 11;
if (serial[0] == 0) {
// disconnect from all TCP devices
unregister_all_tcp_transports();
} else {
char hostbuf[100];
// assume port 5555 if no port is specified
if (!strchr(serial, ':')) {
snprintf(hostbuf, sizeof(hostbuf) - 1, "%s:5555", serial);
serial = hostbuf;
}
atransport *t = find_transport(serial);
if (t) {
unregister_transport(t);
} else {
snprintf(buffer, sizeof(buffer), "No such device %s", serial);
}
}
send_msg_with_okay(reply_fd, buffer, strlen(buffer));
return 0;
}
// returns our value for ADB_SERVER_VERSION
if (!strcmp(service, "version")) {
char version[12];
snprintf(version, sizeof version, "%04x", ADB_SERVER_VERSION);
send_msg_with_okay(reply_fd, version, strlen(version));
return 0;
}
if(!strncmp(service,"get-serialno",strlen("get-serialno"))) {
const char *out = "unknown";
transport = acquire_one_transport(CS_ANY, ttype, serial, NULL);
if (transport && transport->serial) {
out = transport->serial;
}
send_msg_with_okay(reply_fd, out, strlen(out));
return 0;
}
if(!strncmp(service,"get-devpath",strlen("get-devpath"))) {
const char *out = "unknown";
transport = acquire_one_transport(CS_ANY, ttype, serial, NULL);
if (transport && transport->devpath) {
out = transport->devpath;
}
send_msg_with_okay(reply_fd, out, strlen(out));
return 0;
}
// indicates a new emulator instance has started
if (!strncmp(service,"emulator:",9)) {
int port = atoi(service+9);
local_connect(port);
/* we don't even need to send a reply */
return 0;
}
if(!strncmp(service,"get-state",strlen("get-state"))) {
transport = acquire_one_transport(CS_ANY, ttype, serial, NULL);
const char *state = connection_state_name(transport);
send_msg_with_okay(reply_fd, state, strlen(state));
return 0;
}
#endif // ADB_HOST
int ret = handle_forward_request(service, ttype, serial, reply_fd);
if (ret >= 0)
return ret - 1;
return -1;
}
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