| /* |
| * 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 <stdio.h> |
| #include <stdlib.h> |
| #include <ctype.h> |
| #include <stdarg.h> |
| #include <errno.h> |
| #include <stddef.h> |
| #include <string.h> |
| #include <time.h> |
| #include <sys/time.h> |
| |
| #include "sysdeps.h" |
| #include "adb.h" |
| |
| #define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0])) |
| |
| #if !ADB_HOST |
| #include <private/android_filesystem_config.h> |
| #include <linux/capability.h> |
| #include <linux/prctl.h> |
| #else |
| #include "usb_vendors.h" |
| #endif |
| |
| #if ADB_TRACE |
| ADB_MUTEX_DEFINE( D_lock ); |
| #endif |
| |
| int HOST = 0; |
| |
| #if !ADB_HOST |
| static 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); |
| } |
| |
| int adb_trace_mask; |
| |
| /* read a comma/space/colum/semi-column separated list of tags |
| * from the ADB_TRACE environment variable and build the trace |
| * mask from it. note that '1' and 'all' are special cases to |
| * enable all tracing |
| */ |
| void adb_trace_init(void) |
| { |
| const char* p = getenv("ADB_TRACE"); |
| const char* q; |
| |
| 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 }, |
| { NULL, 0 } |
| }; |
| |
| if (p == NULL) |
| return; |
| |
| /* use a comma/column/semi-colum/space separated list */ |
| while (*p) { |
| int len, tagn; |
| |
| 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 |
| /* |
| * Implements ADB tracing inside the emulator. |
| */ |
| |
| #include <stdarg.h> |
| |
| /* |
| * Redefine open and write for qemu_pipe.h that contains inlined references |
| * to those routines. We will redifine them back after qemu_pipe.h inclusion. |
| */ |
| |
| #undef open |
| #undef write |
| #define open adb_open |
| #define write adb_write |
| #include <hardware/qemu_pipe.h> |
| #undef open |
| #undef write |
| #define open ___xxx_open |
| #define write ___xxx_write |
| |
| /* A handle to adb-debug qemud service in the emulator. */ |
| int adb_debug_qemu = -1; |
| |
| /* Initializes connection with the adb-debug qemud service in the emulator. */ |
| static int adb_qemu_trace_init(void) |
| { |
| char con_name[32]; |
| |
| if (adb_debug_qemu >= 0) { |
| return 0; |
| } |
| |
| /* adb debugging QEMUD service connection request. */ |
| snprintf(con_name, sizeof(con_name), "qemud:adb-debug"); |
| adb_debug_qemu = qemu_pipe_open(con_name); |
| return (adb_debug_qemu >= 0) ? 0 : -1; |
| } |
| |
| void adb_qemu_trace(const char* fmt, ...) |
| { |
| va_list args; |
| va_start(args, fmt); |
| char msg[1024]; |
| |
| if (adb_debug_qemu >= 0) { |
| vsnprintf(msg, sizeof(msg), fmt, args); |
| adb_write(adb_debug_qemu, msg, strlen(msg)); |
| } |
| } |
| #endif /* !ADB_HOST */ |
| |
| apacket *get_apacket(void) |
| { |
| apacket *p = malloc(sizeof(apacket)); |
| if(p == 0) 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(void) |
| { |
| D("adb: online\n"); |
| } |
| |
| void handle_offline(atransport *t) |
| { |
| D("adb: offline\n"); |
| //Close the associated usb |
| run_transport_disconnects(t); |
| } |
| |
| #if TRACE_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; |
| 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++; |
| } |
| fprintf(stderr, tag); |
| } |
| #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 |
| } |
| |
| static 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 |
| /* XXX why sleep here? */ |
| // allow the device some time to respond to the connect message |
| adb_sleep_ms(1000); |
| #endif |
| } |
| |
| static 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_OFFLINE: |
| return "offline"; |
| default: |
| return "unknown"; |
| } |
| } |
| |
| /* 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. A char buffer will be malloc'ed and |
| * filled with src and *dst will be set to |
| * point to the buffer. |
| */ |
| 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, *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 = 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 = 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); |
| handle_online(); |
| if(!HOST) send_connect(t); |
| break; |
| |
| case A_OPEN: /* OPEN(local-id, 0, "destination") */ |
| if(t->connection_state != CS_OFFLINE) { |
| 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->connection_state != CS_OFFLINE) { |
| if((s = find_local_socket(p->msg.arg1))) { |
| if(s->peer == 0) { |
| s->peer = create_remote_socket(p->msg.arg0, t); |
| s->peer->peer = s; |
| } |
| s->ready(s); |
| } |
| } |
| break; |
| |
| case A_CLSE: /* CLOSE(local-id, remote-id, "") */ |
| if(t->connection_state != CS_OFFLINE) { |
| if((s = find_local_socket(p->msg.arg1))) { |
| s->close(s); |
| } |
| } |
| break; |
| |
| case A_WRTE: |
| if(t->connection_state != CS_OFFLINE) { |
| if((s = find_local_socket(p->msg.arg1))) { |
| 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); |
| } |
| |
| alistener listener_list = { |
| .next = &listener_list, |
| .prev = &listener_list, |
| }; |
| |
| static void ss_listener_event_func(int _fd, unsigned ev, void *_l) |
| { |
| asocket *s; |
| |
| if(ev & FDE_READ) { |
| struct sockaddr addr; |
| socklen_t alen; |
| int fd; |
| |
| alen = sizeof(addr); |
| fd = adb_socket_accept(_fd, &addr, &alen); |
| if(fd < 0) return; |
| |
| adb_socket_setbufsize(fd, CHUNK_SIZE); |
| |
| s = create_local_socket(fd); |
| if(s) { |
| connect_to_smartsocket(s); |
| return; |
| } |
| |
| adb_close(fd); |
| } |
| } |
| |
| static void listener_event_func(int _fd, unsigned ev, void *_l) |
| { |
| alistener *l = _l; |
| asocket *s; |
| |
| if(ev & FDE_READ) { |
| struct sockaddr addr; |
| socklen_t alen; |
| int fd; |
| |
| alen = sizeof(addr); |
| fd = adb_socket_accept(_fd, &addr, &alen); |
| if(fd < 0) return; |
| |
| s = create_local_socket(fd); |
| if(s) { |
| s->transport = l->transport; |
| connect_to_remote(s, l->connect_to); |
| return; |
| } |
| |
| adb_close(fd); |
| } |
| } |
| |
| static void free_listener(alistener* l) |
| { |
| if (l->next) { |
| l->next->prev = l->prev; |
| l->prev->next = l->next; |
| l->next = l->prev = l; |
| } |
| |
| // closes the corresponding fd |
| fdevent_remove(&l->fde); |
| |
| if (l->local_name) |
| free((char*)l->local_name); |
| |
| if (l->connect_to) |
| free((char*)l->connect_to); |
| |
| if (l->transport) { |
| remove_transport_disconnect(l->transport, &l->disconnect); |
| } |
| free(l); |
| } |
| |
| static void listener_disconnect(void* _l, atransport* t) |
| { |
| alistener* l = _l; |
| |
| free_listener(l); |
| } |
| |
| int local_name_to_fd(const char *name) |
| { |
| int port; |
| |
| if(!strncmp("tcp:", name, 4)){ |
| int ret; |
| port = atoi(name + 4); |
| ret = socket_loopback_server(port, SOCK_STREAM); |
| return ret; |
| } |
| #ifndef HAVE_WIN32_IPC /* no Unix-domain sockets on Win32 */ |
| // It's non-sensical to support the "reserved" space on the adb host side |
| if(!strncmp(name, "local:", 6)) { |
| return socket_local_server(name + 6, |
| ANDROID_SOCKET_NAMESPACE_ABSTRACT, SOCK_STREAM); |
| } else if(!strncmp(name, "localabstract:", 14)) { |
| return socket_local_server(name + 14, |
| ANDROID_SOCKET_NAMESPACE_ABSTRACT, SOCK_STREAM); |
| } else if(!strncmp(name, "localfilesystem:", 16)) { |
| return socket_local_server(name + 16, |
| ANDROID_SOCKET_NAMESPACE_FILESYSTEM, SOCK_STREAM); |
| } |
| |
| #endif |
| printf("unknown local portname '%s'\n", name); |
| return -1; |
| } |
| |
| static int remove_listener(const char *local_name, const char *connect_to, atransport* transport) |
| { |
| alistener *l; |
| |
| for (l = listener_list.next; l != &listener_list; l = l->next) { |
| if (!strcmp(local_name, l->local_name) && |
| !strcmp(connect_to, l->connect_to) && |
| l->transport && l->transport == transport) { |
| |
| listener_disconnect(l, transport); |
| return 0; |
| } |
| } |
| |
| return -1; |
| } |
| |
| static int install_listener(const char *local_name, const char *connect_to, atransport* transport) |
| { |
| alistener *l; |
| |
| //printf("install_listener('%s','%s')\n", local_name, connect_to); |
| |
| for(l = listener_list.next; l != &listener_list; l = l->next){ |
| if(strcmp(local_name, l->local_name) == 0) { |
| char *cto; |
| |
| /* can't repurpose a smartsocket */ |
| if(l->connect_to[0] == '*') { |
| return -1; |
| } |
| |
| cto = strdup(connect_to); |
| if(cto == 0) { |
| return -1; |
| } |
| |
| //printf("rebinding '%s' to '%s'\n", local_name, connect_to); |
| free((void*) l->connect_to); |
| l->connect_to = cto; |
| if (l->transport != transport) { |
| remove_transport_disconnect(l->transport, &l->disconnect); |
| l->transport = transport; |
| add_transport_disconnect(l->transport, &l->disconnect); |
| } |
| return 0; |
| } |
| } |
| |
| if((l = calloc(1, sizeof(alistener))) == 0) goto nomem; |
| if((l->local_name = strdup(local_name)) == 0) goto nomem; |
| if((l->connect_to = strdup(connect_to)) == 0) goto nomem; |
| |
| |
| l->fd = local_name_to_fd(local_name); |
| if(l->fd < 0) { |
| free((void*) l->local_name); |
| free((void*) l->connect_to); |
| free(l); |
| printf("cannot bind '%s'\n", local_name); |
| return -2; |
| } |
| |
| close_on_exec(l->fd); |
| if(!strcmp(l->connect_to, "*smartsocket*")) { |
| fdevent_install(&l->fde, l->fd, ss_listener_event_func, l); |
| } else { |
| fdevent_install(&l->fde, l->fd, listener_event_func, l); |
| } |
| fdevent_set(&l->fde, FDE_READ); |
| |
| l->next = &listener_list; |
| l->prev = listener_list.prev; |
| l->next->prev = l; |
| l->prev->next = l; |
| l->transport = transport; |
| |
| if (transport) { |
| l->disconnect.opaque = l; |
| l->disconnect.func = listener_disconnect; |
| add_transport_disconnect(transport, &l->disconnect); |
| } |
| return 0; |
| |
| nomem: |
| fatal("cannot allocate listener"); |
| return 0; |
| } |
| |
| #ifdef HAVE_WIN32_PROC |
| static BOOL WINAPI ctrlc_handler(DWORD type) |
| { |
| exit(STATUS_CONTROL_C_EXIT); |
| return TRUE; |
| } |
| #endif |
| |
| static void adb_cleanup(void) |
| { |
| usb_cleanup(); |
| } |
| |
| void start_logging(void) |
| { |
| #ifdef HAVE_WIN32_PROC |
| char temp[ MAX_PATH ]; |
| FILE* fnul; |
| FILE* flog; |
| |
| GetTempPath( sizeof(temp) - 8, temp ); |
| strcat( temp, "adb.log" ); |
| |
| /* Win32 specific redirections */ |
| fnul = fopen( "NUL", "rt" ); |
| if (fnul != NULL) |
| stdin[0] = fnul[0]; |
| |
| flog = fopen( temp, "at" ); |
| if (flog == NULL) |
| flog = fnul; |
| |
| setvbuf( flog, NULL, _IONBF, 0 ); |
| |
| stdout[0] = flog[0]; |
| stderr[0] = flog[0]; |
| fprintf(stderr,"--- adb starting (pid %d) ---\n", getpid()); |
| #else |
| int fd; |
| |
| fd = unix_open("/dev/null", O_RDONLY); |
| dup2(fd, 0); |
| adb_close(fd); |
| |
| fd = unix_open("/tmp/adb.log", O_WRONLY | O_CREAT | O_APPEND, 0640); |
| if(fd < 0) { |
| fd = unix_open("/dev/null", O_WRONLY); |
| } |
| dup2(fd, 1); |
| dup2(fd, 2); |
| adb_close(fd); |
| fprintf(stderr,"--- adb starting (pid %d) ---\n", getpid()); |
| #endif |
| } |
| |
| #if !ADB_HOST |
| void start_device_log(void) |
| { |
| int fd; |
| char path[PATH_MAX]; |
| struct tm now; |
| time_t t; |
| char value[PROPERTY_VALUE_MAX]; |
| |
| // read the trace mask from persistent property persist.adb.trace_mask |
| // give up if the property is not set or cannot be parsed |
| property_get("persist.adb.trace_mask", value, ""); |
| if (sscanf(value, "%x", &adb_trace_mask) != 1) |
| return; |
| |
| adb_mkdir("/data/adb", 0775); |
| tzset(); |
| time(&t); |
| localtime_r(&t, &now); |
| strftime(path, sizeof(path), |
| "/data/adb/adb-%Y-%m-%d-%H-%M-%S.txt", |
| &now); |
| fd = unix_open(path, O_WRONLY | O_CREAT | O_TRUNC, 0640); |
| if (fd < 0) |
| return; |
| |
| // redirect stdout and stderr to the log file |
| dup2(fd, 1); |
| dup2(fd, 2); |
| 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 |
| |
| #if ADB_HOST |
| int launch_server(int server_port) |
| { |
| #ifdef HAVE_WIN32_PROC |
| /* 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; |
| 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 ); |
| |
| 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) ); |
| |
| ret = CreateProcess( |
| program_path, /* program path */ |
| "adb fork-server server", |
| /* 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; |
| } |
| } |
| #elif defined(HAVE_FORKEXEC) |
| 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]); |
| |
| // child process |
| int result = execl(path, "adb", "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(); |
| } |
| #else |
| #error "cannot implement background server start on this platform" |
| #endif |
| return 0; |
| } |
| #endif |
| |
| /* Constructs a local name of form tcp:port. |
| * target_str points to the target string, it's content will be overwritten. |
| * target_size is the capacity of the target string. |
| * server_port is the port number to use for the local name. |
| */ |
| void build_local_name(char* target_str, size_t target_size, int server_port) |
| { |
| snprintf(target_str, target_size, "tcp:%d", server_port); |
| } |
| |
| #if !ADB_HOST |
| static int should_drop_privileges() { |
| #ifndef ALLOW_ADBD_ROOT |
| return 1; |
| #else /* ALLOW_ADBD_ROOT */ |
| int secure = 0; |
| char value[PROPERTY_VALUE_MAX]; |
| |
| /* run adbd in secure mode if ro.secure is set and |
| ** we are not in the emulator |
| */ |
| property_get("ro.kernel.qemu", value, ""); |
| if (strcmp(value, "1") != 0) { |
| property_get("ro.secure", value, "1"); |
| if (strcmp(value, "1") == 0) { |
| // don't run as root if ro.secure is set... |
| secure = 1; |
| |
| // ... except we allow running as root in userdebug builds if the |
| // service.adb.root property has been set by the "adb root" command |
| property_get("ro.debuggable", value, ""); |
| if (strcmp(value, "1") == 0) { |
| property_get("service.adb.root", value, ""); |
| if (strcmp(value, "1") == 0) { |
| secure = 0; |
| } |
| } |
| } |
| } |
| return secure; |
| #endif /* ALLOW_ADBD_ROOT */ |
| } |
| #endif /* !ADB_HOST */ |
| |
| int adb_main(int is_daemon, int server_port) |
| { |
| #if !ADB_HOST |
| int port; |
| char value[PROPERTY_VALUE_MAX]; |
| |
| umask(000); |
| #endif |
| |
| atexit(adb_cleanup); |
| #ifdef HAVE_WIN32_PROC |
| SetConsoleCtrlHandler( ctrlc_handler, TRUE ); |
| #elif defined(HAVE_FORKEXEC) |
| // No SIGCHLD. Let the service subproc handle its children. |
| signal(SIGPIPE, SIG_IGN); |
| #endif |
| |
| init_transport_registration(); |
| |
| |
| #if ADB_HOST |
| HOST = 1; |
| usb_vendors_init(); |
| usb_init(); |
| local_init(DEFAULT_ADB_LOCAL_TRANSPORT_PORT); |
| |
| char local_name[30]; |
| build_local_name(local_name, sizeof(local_name), server_port); |
| if(install_listener(local_name, "*smartsocket*", NULL)) { |
| exit(1); |
| } |
| #else |
| |
| /* don't listen on a port (default 5037) if running in secure mode */ |
| /* don't run as root if we are running in secure mode */ |
| if (should_drop_privileges()) { |
| struct __user_cap_header_struct header; |
| struct __user_cap_data_struct cap; |
| |
| if (prctl(PR_SET_KEEPCAPS, 1, 0, 0, 0) != 0) { |
| exit(1); |
| } |
| |
| /* add extra groups: |
| ** AID_ADB to access the USB driver |
| ** AID_LOG to read system logs (adb logcat) |
| ** AID_INPUT to diagnose input issues (getevent) |
| ** AID_INET to diagnose network issues (netcfg, ping) |
| ** AID_GRAPHICS to access the frame buffer |
| ** AID_NET_BT and AID_NET_BT_ADMIN to diagnose bluetooth (hcidump) |
| ** AID_SDCARD_R to allow reading from the SD card |
| ** AID_SDCARD_RW to allow writing to the SD card |
| ** AID_MOUNT to allow unmounting the SD card before rebooting |
| ** AID_NET_BW_STATS to read out qtaguid statistics |
| */ |
| gid_t groups[] = { AID_ADB, AID_LOG, AID_INPUT, AID_INET, AID_GRAPHICS, |
| AID_NET_BT, AID_NET_BT_ADMIN, AID_SDCARD_R, AID_SDCARD_RW, |
| AID_MOUNT, AID_NET_BW_STATS }; |
| if (setgroups(sizeof(groups)/sizeof(groups[0]), groups) != 0) { |
| exit(1); |
| } |
| |
| /* then switch user and group to "shell" */ |
| if (setgid(AID_SHELL) != 0) { |
| exit(1); |
| } |
| if (setuid(AID_SHELL) != 0) { |
| exit(1); |
| } |
| |
| /* set CAP_SYS_BOOT capability, so "adb reboot" will succeed */ |
| header.version = _LINUX_CAPABILITY_VERSION; |
| header.pid = 0; |
| cap.effective = cap.permitted = (1 << CAP_SYS_BOOT); |
| cap.inheritable = 0; |
| capset(&header, &cap); |
| |
| D("Local port disabled\n"); |
| } else { |
| char local_name[30]; |
| build_local_name(local_name, sizeof(local_name), server_port); |
| if(install_listener(local_name, "*smartsocket*", NULL)) { |
| exit(1); |
| } |
| } |
| |
| /* for the device, start the usb transport if the |
| ** android usb device exists and the "service.adb.tcp.port" and |
| ** "persist.adb.tcp.port" properties are not set. |
| ** Otherwise start the network transport. |
| */ |
| property_get("service.adb.tcp.port", value, ""); |
| if (!value[0]) |
| property_get("persist.adb.tcp.port", value, ""); |
| if (sscanf(value, "%d", &port) == 1 && port > 0) { |
| // listen on TCP port specified by service.adb.tcp.port property |
| local_init(port); |
| } else if (access("/dev/android_adb", F_OK) == 0) { |
| // listen on USB |
| usb_init(); |
| } else { |
| // listen on default port |
| local_init(DEFAULT_ADB_LOCAL_TRANSPORT_PORT); |
| } |
| D("adb_main(): pre init_jdwp()\n"); |
| init_jdwp(); |
| D("adb_main(): post init_jdwp()\n"); |
| #endif |
| |
| if (is_daemon) |
| { |
| // inform our parent that we are up and running. |
| #ifdef HAVE_WIN32_PROC |
| DWORD count; |
| WriteFile( GetStdHandle( STD_OUTPUT_HANDLE ), "OK\n", 3, &count, NULL ); |
| #elif defined(HAVE_FORKEXEC) |
| fprintf(stderr, "OK\n"); |
| #endif |
| start_logging(); |
| } |
| D("Event loop starting\n"); |
| |
| fdevent_loop(); |
| |
| usb_cleanup(); |
| |
| return 0; |
| } |
| |
| #if ADB_HOST |
| void connect_device(char* host, char* buffer, int buffer_size) |
| { |
| int port, fd; |
| char* portstr = strchr(host, ':'); |
| char hostbuf[100]; |
| char serial[100]; |
| |
| strncpy(hostbuf, host, sizeof(hostbuf) - 1); |
| if (portstr) { |
| if (portstr - host >= (ptrdiff_t)sizeof(hostbuf)) { |
| snprintf(buffer, buffer_size, "bad host name %s", host); |
| return; |
| } |
| // zero terminate the host at the point we found the colon |
| hostbuf[portstr - host] = 0; |
| if (sscanf(portstr + 1, "%d", &port) == 0) { |
| snprintf(buffer, buffer_size, "bad port number %s", portstr); |
| return; |
| } |
| } else { |
| port = DEFAULT_ADB_LOCAL_TRANSPORT_PORT; |
| } |
| |
| snprintf(serial, sizeof(serial), "%s:%d", hostbuf, port); |
| if (find_transport(serial)) { |
| snprintf(buffer, buffer_size, "already connected to %s", serial); |
| return; |
| } |
| |
| fd = socket_network_client(hostbuf, port, SOCK_STREAM); |
| if (fd < 0) { |
| snprintf(buffer, buffer_size, "unable to connect to %s:%d", host, port); |
| return; |
| } |
| |
| D("client: connected on remote on fd %d\n", fd); |
| close_on_exec(fd); |
| disable_tcp_nagle(fd); |
| register_socket_transport(fd, serial, port, 0); |
| snprintf(buffer, buffer_size, "connected to %s", serial); |
| } |
| |
| void connect_emulator(char* port_spec, char* buffer, int buffer_size) |
| { |
| char* port_separator = strchr(port_spec, ','); |
| if (!port_separator) { |
| snprintf(buffer, buffer_size, |
| "unable to parse '%s' as <console port>,<adb port>", |
| port_spec); |
| return; |
| } |
| |
| // Zero-terminate console port and make port_separator point to 2nd port. |
| *port_separator++ = 0; |
| int console_port = strtol(port_spec, NULL, 0); |
| int adb_port = strtol(port_separator, NULL, 0); |
| if (!(console_port > 0 && adb_port > 0)) { |
| *(port_separator - 1) = ','; |
| snprintf(buffer, buffer_size, |
| "Invalid port numbers: Expected positive numbers, got '%s'", |
| port_spec); |
| return; |
| } |
| |
| /* Check if the emulator is already known. |
| * Note: There's a small but harmless race condition here: An emulator not |
| * present just yet could be registered by another invocation right |
| * after doing this check here. However, local_connect protects |
| * against double-registration too. From here, a better error message |
| * can be produced. In the case of the race condition, the very specific |
| * error message won't be shown, but the data doesn't get corrupted. */ |
| atransport* known_emulator = find_emulator_transport_by_adb_port(adb_port); |
| if (known_emulator != NULL) { |
| snprintf(buffer, buffer_size, |
| "Emulator on port %d already registered.", adb_port); |
| return; |
| } |
| |
| /* Check if more emulators can be registered. Similar unproblematic |
| * race condition as above. */ |
| int candidate_slot = get_available_local_transport_index(); |
| if (candidate_slot < 0) { |
| snprintf(buffer, buffer_size, "Cannot accept more emulators."); |
| return; |
| } |
| |
| /* Preconditions met, try to connect to the emulator. */ |
| if (!local_connect_arbitrary_ports(console_port, adb_port)) { |
| snprintf(buffer, buffer_size, |
| "Connected to emulator on ports %d,%d", console_port, adb_port); |
| } else { |
| snprintf(buffer, buffer_size, |
| "Could not connect to emulator on ports %d,%d", |
| console_port, adb_port); |
| } |
| } |
| #endif |
| |
| int handle_host_request(char *service, transport_type ttype, char* serial, int reply_fd, asocket *s) |
| { |
| atransport *transport = NULL; |
| char buf[4096]; |
| |
| 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 |
| // "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"))) { |
| char* error_string = "unknown failure"; |
| 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; |
| } |
| |
| 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(buf, 0, sizeof(buf)); |
| memset(buffer, 0, sizeof(buffer)); |
| D("Getting device list \n"); |
| list_transports(buffer, sizeof(buffer), use_long); |
| snprintf(buf, sizeof(buf), "OKAY%04x%s",(unsigned)strlen(buffer),buffer); |
| D("Wrote device list \n"); |
| writex(reply_fd, buf, strlen(buf)); |
| return 0; |
| } |
| } |
| |
| // add a new TCP transport, device or emulator |
| if (!strncmp(service, "connect:", 8)) { |
| char buffer[4096]; |
| char* host = service + 8; |
| if (!strncmp(host, "emu:", 4)) { |
| connect_emulator(host + 4, buffer, sizeof(buffer)); |
| } else { |
| connect_device(host, buffer, sizeof(buffer)); |
| } |
| // Send response for emulator and device |
| snprintf(buf, sizeof(buf), "OKAY%04x%s",(unsigned)strlen(buffer), buffer); |
| writex(reply_fd, buf, strlen(buf)); |
| 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); |
| } |
| } |
| |
| snprintf(buf, sizeof(buf), "OKAY%04x%s",(unsigned)strlen(buffer), buffer); |
| writex(reply_fd, buf, strlen(buf)); |
| return 0; |
| } |
| |
| // returns our value for ADB_SERVER_VERSION |
| if (!strcmp(service, "version")) { |
| char version[12]; |
| snprintf(version, sizeof version, "%04x", ADB_SERVER_VERSION); |
| snprintf(buf, sizeof buf, "OKAY%04x%s", (unsigned)strlen(version), version); |
| writex(reply_fd, buf, strlen(buf)); |
| return 0; |
| } |
| |
| if(!strncmp(service,"get-serialno",strlen("get-serialno"))) { |
| char *out = "unknown"; |
| transport = acquire_one_transport(CS_ANY, ttype, serial, NULL); |
| if (transport && transport->serial) { |
| out = transport->serial; |
| } |
| snprintf(buf, sizeof buf, "OKAY%04x%s",(unsigned)strlen(out),out); |
| writex(reply_fd, buf, strlen(buf)); |
| return 0; |
| } |
| if(!strncmp(service,"get-devpath",strlen("get-devpath"))) { |
| char *out = "unknown"; |
| transport = acquire_one_transport(CS_ANY, ttype, serial, NULL); |
| if (transport && transport->devpath) { |
| out = transport->devpath; |
| } |
| snprintf(buf, sizeof buf, "OKAY%04x%s",(unsigned)strlen(out),out); |
| writex(reply_fd, buf, strlen(buf)); |
| 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; |
| } |
| #endif // ADB_HOST |
| |
| if(!strncmp(service,"forward:",8) || !strncmp(service,"killforward:",12)) { |
| char *local, *remote, *err; |
| int r; |
| atransport *transport; |
| |
| int createForward = strncmp(service,"kill",4); |
| |
| local = service + (createForward ? 8 : 12); |
| remote = strchr(local,';'); |
| if(remote == 0) { |
| sendfailmsg(reply_fd, "malformed forward spec"); |
| return 0; |
| } |
| |
| *remote++ = 0; |
| if((local[0] == 0) || (remote[0] == 0) || (remote[0] == '*')){ |
| sendfailmsg(reply_fd, "malformed forward spec"); |
| return 0; |
| } |
| |
| transport = acquire_one_transport(CS_ANY, ttype, serial, &err); |
| if (!transport) { |
| sendfailmsg(reply_fd, err); |
| return 0; |
| } |
| |
| if (createForward) { |
| r = install_listener(local, remote, transport); |
| } else { |
| r = remove_listener(local, remote, transport); |
| } |
| if(r == 0) { |
| /* 1st OKAY is connect, 2nd OKAY is status */ |
| writex(reply_fd, "OKAYOKAY", 8); |
| return 0; |
| } |
| |
| if (createForward) { |
| sendfailmsg(reply_fd, (r == -1) ? "cannot rebind smartsocket" : "cannot bind socket"); |
| } else { |
| sendfailmsg(reply_fd, "cannot remove listener"); |
| } |
| return 0; |
| } |
| |
| if(!strncmp(service,"get-state",strlen("get-state"))) { |
| transport = acquire_one_transport(CS_ANY, ttype, serial, NULL); |
| char *state = connection_state_name(transport); |
| snprintf(buf, sizeof buf, "OKAY%04x%s",(unsigned)strlen(state),state); |
| writex(reply_fd, buf, strlen(buf)); |
| return 0; |
| } |
| return -1; |
| } |
| |
| #if !ADB_HOST |
| int recovery_mode = 0; |
| #endif |
| |
| int main(int argc, char **argv) |
| { |
| #if ADB_HOST |
| adb_sysdeps_init(); |
| adb_trace_init(); |
| D("Handling commandline()\n"); |
| return adb_commandline(argc - 1, argv + 1); |
| #else |
| /* If adbd runs inside the emulator this will enable adb tracing via |
| * adb-debug qemud service in the emulator. */ |
| adb_qemu_trace_init(); |
| if((argc > 1) && (!strcmp(argv[1],"recovery"))) { |
| adb_device_banner = "recovery"; |
| recovery_mode = 1; |
| } |
| |
| start_device_log(); |
| D("Handling main()\n"); |
| return adb_main(0, DEFAULT_ADB_PORT); |
| #endif |
| } |