|  | /* | 
|  | * 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 <base/stringprintf.h> | 
|  | #include <base/strings.h> | 
|  |  | 
|  | #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 | 
|  |  | 
|  | ADB_MUTEX_DEFINE( D_lock ); | 
|  |  | 
|  | 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) { | 
|  | struct tm now; | 
|  | time_t t; | 
|  | tzset(); | 
|  | time(&t); | 
|  | localtime_r(&t, &now); | 
|  |  | 
|  | char timestamp[PATH_MAX]; | 
|  | strftime(timestamp, sizeof(timestamp), "%Y-%m-%d-%H-%M-%S", &now); | 
|  |  | 
|  | std::string path = android::base::StringPrintf("/data/adb/adb-%s-%d", timestamp, getpid()); | 
|  | int fd = unix_open(path.c_str(), O_WRONLY | O_CREAT | O_TRUNC | O_CLOEXEC, 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); | 
|  | } | 
|  | #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 | 
|  | } | 
|  |  | 
|  | 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); | 
|  | } | 
|  |  | 
|  | // 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. | 
|  | // TODO: switch to std::string for these atransport fields instead. | 
|  | static void qual_overwrite(char** dst, const std::string& src) { | 
|  | free(*dst); | 
|  | *dst = strdup(src.c_str()); | 
|  | } | 
|  |  | 
|  | void parse_banner(const char* banner, atransport* t) { | 
|  | D("parse_banner: %s\n", banner); | 
|  |  | 
|  | // The format is something like: | 
|  | // "device::ro.product.name=x;ro.product.model=y;ro.product.device=z;". | 
|  | std::vector<std::string> pieces = android::base::Split(banner, ":"); | 
|  |  | 
|  | if (pieces.size() > 2) { | 
|  | const std::string& props = pieces[2]; | 
|  | for (auto& prop : android::base::Split(props, ";")) { | 
|  | // The list of properties was traditionally ;-terminated rather than ;-separated. | 
|  | if (prop.empty()) continue; | 
|  |  | 
|  | std::vector<std::string> key_value = android::base::Split(prop, "="); | 
|  | if (key_value.size() != 2) continue; | 
|  |  | 
|  | const std::string& key = key_value[0]; | 
|  | const std::string& value = key_value[1]; | 
|  | if (key == "ro.product.name") { | 
|  | qual_overwrite(&t->product, value); | 
|  | } else if (key == "ro.product.model") { | 
|  | qual_overwrite(&t->model, value); | 
|  | } else if (key == "ro.product.device") { | 
|  | qual_overwrite(&t->device, value); | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | const std::string& type = pieces[0]; | 
|  | if (type == "bootloader") { | 
|  | D("setting connection_state to CS_BOOTLOADER\n"); | 
|  | t->connection_state = CS_BOOTLOADER; | 
|  | update_transports(); | 
|  | } else if (type == "device") { | 
|  | D("setting connection_state to CS_DEVICE\n"); | 
|  | t->connection_state = CS_DEVICE; | 
|  | update_transports(); | 
|  | } else if (type == "recovery") { | 
|  | D("setting connection_state to CS_RECOVERY\n"); | 
|  | t->connection_state = CS_RECOVERY; | 
|  | update_transports(); | 
|  | } else if (type == "sideload") { | 
|  | D("setting connection_state to CS_SIDELOAD\n"); | 
|  | t->connection_state = CS_SIDELOAD; | 
|  | update_transports(); | 
|  | } else { | 
|  | D("setting connection_state to CS_HOST\n"); | 
|  | 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(reinterpret_cast<const char*>(p->data), t); | 
|  |  | 
|  | if (HOST || !auth_required) { | 
|  | 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. | 
|  | std::string listeners = format_listeners(); | 
|  | #if ADB_HOST | 
|  | SendOkay(reply_fd); | 
|  | #endif | 
|  | SendProtocolString(reply_fd, listeners); | 
|  | return 1; | 
|  | } | 
|  |  | 
|  | if (!strcmp(service, "killforward-all")) { | 
|  | remove_all_listeners(); | 
|  | #if ADB_HOST | 
|  | /* On the host: 1st OKAY is connect, 2nd OKAY is status */ | 
|  | SendOkay(reply_fd); | 
|  | #endif | 
|  | SendOkay(reply_fd); | 
|  | return 1; | 
|  | } | 
|  |  | 
|  | if (!strncmp(service, "forward:",8) || | 
|  | !strncmp(service, "killforward:",12)) { | 
|  | char *local, *remote; | 
|  | 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) { | 
|  | SendFail(reply_fd, "malformed forward spec"); | 
|  | return 1; | 
|  | } | 
|  |  | 
|  | *remote++ = 0; | 
|  | if((local[0] == 0) || (remote[0] == 0) || (remote[0] == '*')) { | 
|  | SendFail(reply_fd, "malformed forward spec"); | 
|  | return 1; | 
|  | } | 
|  | } else { | 
|  | // Check killforward: parameter format: '<local>' | 
|  | if (local[0] == 0) { | 
|  | SendFail(reply_fd, "malformed forward spec"); | 
|  | return 1; | 
|  | } | 
|  | } | 
|  |  | 
|  | std::string error_msg; | 
|  | transport = acquire_one_transport(CS_ANY, ttype, serial, &error_msg); | 
|  | if (!transport) { | 
|  | SendFail(reply_fd, error_msg); | 
|  | return 1; | 
|  | } | 
|  |  | 
|  | install_status_t r; | 
|  | if (createForward) { | 
|  | r = install_listener(local, remote, transport, no_rebind); | 
|  | } else { | 
|  | r = remove_listener(local, transport); | 
|  | } | 
|  | if (r == INSTALL_STATUS_OK) { | 
|  | #if ADB_HOST | 
|  | /* On the host: 1st OKAY is connect, 2nd OKAY is status */ | 
|  | SendOkay(reply_fd); | 
|  | #endif | 
|  | SendOkay(reply_fd); | 
|  | return 1; | 
|  | } | 
|  |  | 
|  | std::string message; | 
|  | switch (r) { | 
|  | case INSTALL_STATUS_OK: message = " "; break; | 
|  | case INSTALL_STATUS_INTERNAL_ERROR: message = "internal error"; break; | 
|  | case INSTALL_STATUS_CANNOT_BIND: | 
|  | message = android::base::StringPrintf("cannot bind to socket: %s", strerror(errno)); | 
|  | break; | 
|  | case INSTALL_STATUS_CANNOT_REBIND: | 
|  | message = android::base::StringPrintf("cannot rebind existing socket: %s", strerror(errno)); | 
|  | break; | 
|  | case INSTALL_STATUS_LISTENER_NOT_FOUND: message = "listener not found"; break; | 
|  | } | 
|  | SendFail(reply_fd, message); | 
|  | 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); | 
|  | SendOkay(reply_fd); | 
|  | 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; | 
|  | } | 
|  |  | 
|  | std::string error_msg = "unknown failure"; | 
|  | transport = acquire_one_transport(CS_ANY, type, serial, &error_msg); | 
|  |  | 
|  | if (transport) { | 
|  | s->transport = transport; | 
|  | SendOkay(reply_fd); | 
|  | } else { | 
|  | SendFail(reply_fd, error_msg); | 
|  | } | 
|  | return 1; | 
|  | } | 
|  |  | 
|  | // return a list of all connected devices | 
|  | if (!strncmp(service, "devices", 7)) { | 
|  | bool long_listing = (strcmp(service+7, "-l") == 0); | 
|  | if (long_listing || service[7] == 0) { | 
|  | D("Getting device list...\n"); | 
|  | std::string device_list = list_transports(long_listing); | 
|  | D("Sending device list...\n"); | 
|  | SendOkay(reply_fd); | 
|  | SendProtocolString(reply_fd, device_list); | 
|  | return 0; | 
|  | } | 
|  | return 1; | 
|  | } | 
|  |  | 
|  | // 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); | 
|  | } | 
|  | } | 
|  |  | 
|  | SendOkay(reply_fd); | 
|  | SendProtocolString(reply_fd, buffer); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | // returns our value for ADB_SERVER_VERSION | 
|  | if (!strcmp(service, "version")) { | 
|  | SendOkay(reply_fd); | 
|  | SendProtocolString(reply_fd, android::base::StringPrintf("%04x", ADB_SERVER_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; | 
|  | } | 
|  | SendOkay(reply_fd); | 
|  | SendProtocolString(reply_fd, 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; | 
|  | } | 
|  | SendOkay(reply_fd); | 
|  | SendProtocolString(reply_fd, 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); | 
|  | SendOkay(reply_fd); | 
|  | SendProtocolString(reply_fd, transport->connection_state_name()); | 
|  | return 0; | 
|  | } | 
|  | #endif // ADB_HOST | 
|  |  | 
|  | int ret = handle_forward_request(service, ttype, serial, reply_fd); | 
|  | if (ret >= 0) | 
|  | return ret - 1; | 
|  | return -1; | 
|  | } |