| /* | 
 |  * 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 <vector> | 
 | #include <unordered_map> | 
 |  | 
 | #include <base/logging.h> | 
 | #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"; | 
 | static android::base::LogdLogger gLogdLogger; | 
 | #endif | 
 |  | 
 | void AdbLogger(android::base::LogId id, android::base::LogSeverity severity, | 
 |                const char* tag, const char* file, unsigned int line, | 
 |                const char* message) { | 
 |     android::base::StderrLogger(id, severity, tag, file, line, message); | 
 | #if !ADB_HOST | 
 |     gLogdLogger(id, severity, tag, file, line, message); | 
 | #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 | 
 | static std::string get_log_file_name() { | 
 |     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); | 
 |  | 
 |     return android::base::StringPrintf("/data/adb/adb-%s-%d", timestamp, | 
 |                                        getpid()); | 
 | } | 
 |  | 
 | void start_device_log(void) { | 
 |     int fd = unix_open(get_log_file_name().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 space 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. | 
 | static void setup_trace_mask() { | 
 |     const std::string trace_setting = get_trace_setting(); | 
 |  | 
 |     std::unordered_map<std::string, int> trace_flags = { | 
 |         {"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}}; | 
 |  | 
 |     std::vector<std::string> elements = android::base::Split(trace_setting, " "); | 
 |     for (const auto& elem : elements) { | 
 |         const auto& flag = trace_flags.find(elem); | 
 |         if (flag == trace_flags.end()) { | 
 |             D("Unknown trace flag: %s", flag->first.c_str()); | 
 |             continue; | 
 |         } | 
 |  | 
 |         if (flag->second == 0) { | 
 |             // 0 is used for the special values "1" and "all" that enable all | 
 |             // tracing. | 
 |             adb_trace_mask = ~0; | 
 |             return; | 
 |         } else { | 
 |             adb_trace_mask |= 1 << flag->second; | 
 |         } | 
 |     } | 
 | } | 
 |  | 
 | void adb_trace_init(char** argv) { | 
 | #if !ADB_HOST | 
 |     if (isatty(STDOUT_FILENO) == 0) { | 
 |         start_device_log(); | 
 |     } | 
 | #endif | 
 |  | 
 |     setup_trace_mask(); | 
 |     android::base::InitLogging(argv, AdbLogger); | 
 | } | 
 |  | 
 | 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 kCsBootloader\n"); | 
 |         t->connection_state = kCsBootloader; | 
 |         update_transports(); | 
 |     } else if (type == "device") { | 
 |         D("setting connection_state to kCsDevice\n"); | 
 |         t->connection_state = kCsDevice; | 
 |         update_transports(); | 
 |     } else if (type == "recovery") { | 
 |         D("setting connection_state to kCsRecovery\n"); | 
 |         t->connection_state = kCsRecovery; | 
 |         update_transports(); | 
 |     } else if (type == "sideload") { | 
 |         D("setting connection_state to kCsSideload\n"); | 
 |         t->connection_state = kCsSideload; | 
 |         update_transports(); | 
 |     } else { | 
 |         D("setting connection_state to kCsHost\n"); | 
 |         t->connection_state = kCsHost; | 
 |     } | 
 | } | 
 |  | 
 | 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 = kCsOffline; | 
 |             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 != kCsOffline) { | 
 |             t->connection_state = kCsOffline; | 
 |             handle_offline(t); | 
 |         } | 
 |  | 
 |         parse_banner(reinterpret_cast<const 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 = kCsUnauthorized; | 
 |             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, TransportType type, const 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)) { | 
 |         // killforward:local | 
 |         // forward:(norebind:)?local;remote | 
 |         bool kill_forward = false; | 
 |         bool no_rebind = false; | 
 |         if (android::base::StartsWith(service, "killforward:")) { | 
 |             kill_forward = true; | 
 |             service += 12; | 
 |             if (android::base::StartsWith(service, "norebind:")) { | 
 |                 no_rebind = true; | 
 |                 service += 9; | 
 |             } | 
 |         } else { | 
 |             service += 8; | 
 |         } | 
 |  | 
 |         std::vector<std::string> pieces = android::base::Split(service, ";"); | 
 |  | 
 |         if (kill_forward) { | 
 |             // Check killforward: parameter format: '<local>' | 
 |             if (pieces.size() != 1 || pieces[0].empty()) { | 
 |                 SendFail(reply_fd, android::base::StringPrintf("bad killforward: %s", service)); | 
 |                 return 1; | 
 |             } | 
 |         } else { | 
 |             // Check forward: parameter format: '<local>;<remote>' | 
 |             if (pieces.size() != 2 || pieces[0].empty() || pieces[1].empty() || pieces[1][0] == '*') { | 
 |                 SendFail(reply_fd, android::base::StringPrintf("bad forward: %s", service)); | 
 |                 return 1; | 
 |             } | 
 |         } | 
 |  | 
 |         std::string error_msg; | 
 |         atransport* transport = acquire_one_transport(kCsAny, type, serial, &error_msg); | 
 |         if (!transport) { | 
 |             SendFail(reply_fd, error_msg); | 
 |             return 1; | 
 |         } | 
 |  | 
 |         InstallStatus r; | 
 |         if (kill_forward) { | 
 |             r = remove_listener(pieces[0].c_str(), transport); | 
 |         } else { | 
 |             r = install_listener(pieces[0], pieces[1].c_str(), transport, no_rebind); | 
 |         } | 
 |         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 = "success (!)"; 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 = android::base::StringPrintf("listener '%s' not found", service); | 
 |             break; | 
 |         } | 
 |         SendFail(reply_fd, message); | 
 |         return 1; | 
 |     } | 
 |     return 0; | 
 | } | 
 |  | 
 | int handle_host_request(const char* service, TransportType type, | 
 |                         const char* serial, int reply_fd, asocket* s) { | 
 |     if (strcmp(service, "kill") == 0) { | 
 |         fprintf(stderr, "adb server killed by remote request\n"); | 
 |         fflush(stdout); | 
 |         SendOkay(reply_fd); | 
 |         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"))) { | 
 |         TransportType 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(kCsAny, 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)); | 
 |         const 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(kCsAny, type, 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(kCsAny, type, 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(kCsAny, type, serial, NULL); | 
 |         SendOkay(reply_fd); | 
 |         SendProtocolString(reply_fd, transport->connection_state_name()); | 
 |         return 0; | 
 |     } | 
 | #endif // ADB_HOST | 
 |  | 
 |     int ret = handle_forward_request(service, type, serial, reply_fd); | 
 |     if (ret >= 0) | 
 |       return ret - 1; | 
 |     return -1; | 
 | } |