| /* | |
| * 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 <stdint.h> | |
| #include "sysdeps.h" | |
| #include "adb.h" | |
| #include "adb_auth.h" | |
| #define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0])) | |
| #if !ADB_HOST | |
| #include <cutils/properties.h> | |
| #include <private/android_filesystem_config.h> | |
| #include <sys/capability.h> | |
| #include <sys/mount.h> | |
| #include <sys/prctl.h> | |
| #include <getopt.h> | |
| #include <selinux/selinux.h> | |
| #else | |
| #include "usb_vendors.h" | |
| #endif | |
| #if ADB_TRACE | |
| ADB_MUTEX_DEFINE( D_lock ); | |
| #endif | |
| int HOST = 0; | |
| int gListenAll = 0; | |
| static int auth_enabled = 0; | |
| #if !ADB_HOST | |
| static const char *adb_device_banner = "device"; | |
| static const char *root_seclabel = NULL; | |
| #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 }, | |
| { "auth", TRACE_AUTH }, | |
| { 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(atransport *t) | |
| { | |
| D("adb: online\n"); | |
| t->online = 1; | |
| } | |
| void handle_offline(atransport *t) | |
| { | |
| D("adb: offline\n"); | |
| //Close the associated usb | |
| t->online = 0; | |
| run_transport_disconnects(t); | |
| } | |
| #if DEBUG_PACKETS | |
| #define DUMPMAX 32 | |
| void print_packet(const char *label, apacket *p) | |
| { | |
| char *tag; | |
| char *x; | |
| unsigned count; | |
| switch(p->msg.command){ | |
| case A_SYNC: tag = "SYNC"; break; | |
| case A_CNXN: tag = "CNXN" ; break; | |
| case A_OPEN: tag = "OPEN"; break; | |
| case A_OKAY: tag = "OKAY"; break; | |
| case A_CLSE: tag = "CLSE"; break; | |
| case A_WRTE: tag = "WRTE"; break; | |
| case A_AUTH: tag = "AUTH"; break; | |
| default: tag = "????"; break; | |
| } | |
| fprintf(stderr, "%s: %s %08x %08x %04x \"", | |
| label, tag, p->msg.arg0, p->msg.arg1, p->msg.data_length); | |
| count = p->msg.data_length; | |
| x = (char*) p->data; | |
| if(count > DUMPMAX) { | |
| count = DUMPMAX; | |
| tag = "\n"; | |
| } else { | |
| tag = "\"\n"; | |
| } | |
| while(count-- > 0){ | |
| if((*x >= ' ') && (*x < 127)) { | |
| fputc(*x, stderr); | |
| } else { | |
| fputc('.', stderr); | |
| } | |
| x++; | |
| } | |
| fputs(tag, stderr); | |
| } | |
| #endif | |
| static void send_ready(unsigned local, unsigned remote, atransport *t) | |
| { | |
| D("Calling send_ready \n"); | |
| apacket *p = get_apacket(); | |
| p->msg.command = A_OKAY; | |
| p->msg.arg0 = local; | |
| p->msg.arg1 = remote; | |
| send_packet(p, t); | |
| } | |
| static void send_close(unsigned local, unsigned remote, atransport *t) | |
| { | |
| D("Calling send_close \n"); | |
| apacket *p = get_apacket(); | |
| p->msg.command = A_CLSE; | |
| p->msg.arg0 = local; | |
| p->msg.arg1 = remote; | |
| send_packet(p, t); | |
| } | |
| static size_t fill_connect_data(char *buf, size_t bufsize) | |
| { | |
| #if ADB_HOST | |
| return snprintf(buf, bufsize, "host::") + 1; | |
| #else | |
| static const char *cnxn_props[] = { | |
| "ro.product.name", | |
| "ro.product.model", | |
| "ro.product.device", | |
| }; | |
| static const int num_cnxn_props = ARRAY_SIZE(cnxn_props); | |
| int i; | |
| size_t remaining = bufsize; | |
| size_t len; | |
| len = snprintf(buf, remaining, "%s::", adb_device_banner); | |
| remaining -= len; | |
| buf += len; | |
| for (i = 0; i < num_cnxn_props; i++) { | |
| char value[PROPERTY_VALUE_MAX]; | |
| property_get(cnxn_props[i], value, ""); | |
| len = snprintf(buf, remaining, "%s=%s;", cnxn_props[i], value); | |
| remaining -= len; | |
| buf += len; | |
| } | |
| return bufsize - remaining + 1; | |
| #endif | |
| } | |
| #if !ADB_HOST | |
| static void send_msg_with_header(int fd, const char* msg, size_t msglen) { | |
| char header[5]; | |
| if (msglen > 0xffff) | |
| msglen = 0xffff; | |
| snprintf(header, sizeof(header), "%04x", (unsigned)msglen); | |
| writex(fd, header, 4); | |
| writex(fd, msg, msglen); | |
| } | |
| #endif | |
| static void send_msg_with_okay(int fd, const char* msg, size_t msglen) { | |
| char header[9]; | |
| if (msglen > 0xffff) | |
| msglen = 0xffff; | |
| snprintf(header, sizeof(header), "OKAY%04x", (unsigned)msglen); | |
| writex(fd, header, 8); | |
| writex(fd, msg, msglen); | |
| } | |
| 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); | |
| } | |
| void send_auth_request(atransport *t) | |
| { | |
| D("Calling send_auth_request\n"); | |
| apacket *p; | |
| int ret; | |
| ret = adb_auth_generate_token(t->token, sizeof(t->token)); | |
| if (ret != sizeof(t->token)) { | |
| D("Error generating token ret=%d\n", ret); | |
| return; | |
| } | |
| p = get_apacket(); | |
| memcpy(p->data, t->token, ret); | |
| p->msg.command = A_AUTH; | |
| p->msg.arg0 = ADB_AUTH_TOKEN; | |
| p->msg.data_length = ret; | |
| send_packet(p, t); | |
| } | |
| static void send_auth_response(uint8_t *token, size_t token_size, atransport *t) | |
| { | |
| D("Calling send_auth_response\n"); | |
| apacket *p = get_apacket(); | |
| int ret; | |
| ret = adb_auth_sign(t->key, token, token_size, p->data); | |
| if (!ret) { | |
| D("Error signing the token\n"); | |
| put_apacket(p); | |
| return; | |
| } | |
| p->msg.command = A_AUTH; | |
| p->msg.arg0 = ADB_AUTH_SIGNATURE; | |
| p->msg.data_length = ret; | |
| send_packet(p, t); | |
| } | |
| static void send_auth_publickey(atransport *t) | |
| { | |
| D("Calling send_auth_publickey\n"); | |
| apacket *p = get_apacket(); | |
| int ret; | |
| ret = adb_auth_get_userkey(p->data, sizeof(p->data)); | |
| if (!ret) { | |
| D("Failed to get user public key\n"); | |
| put_apacket(p); | |
| return; | |
| } | |
| p->msg.command = A_AUTH; | |
| p->msg.arg0 = ADB_AUTH_RSAPUBLICKEY; | |
| p->msg.data_length = ret; | |
| send_packet(p, t); | |
| } | |
| void adb_auth_verified(atransport *t) | |
| { | |
| handle_online(t); | |
| send_connect(t); | |
| } | |
| 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_RECOVERY: | |
| return "recovery"; | |
| case CS_SIDELOAD: | |
| return "sideload"; | |
| case CS_OFFLINE: | |
| return "offline"; | |
| case CS_UNAUTHORIZED: | |
| return "unauthorized"; | |
| 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. *dst will be set to a dup of src. | |
| */ | |
| static void qual_overwrite(char **dst, const char *src) | |
| { | |
| if (!dst) | |
| return; | |
| free(*dst); | |
| *dst = NULL; | |
| if (!src || !*src) | |
| return; | |
| *dst = strdup(src); | |
| } | |
| void parse_banner(char *banner, atransport *t) | |
| { | |
| static const char *prop_seps = ";"; | |
| static const char key_val_sep = '='; | |
| char *cp; | |
| char *type; | |
| D("parse_banner: %s\n", banner); | |
| type = banner; | |
| cp = strchr(type, ':'); | |
| if (cp) { | |
| *cp++ = 0; | |
| /* Nothing is done with second field. */ | |
| cp = strchr(cp, ':'); | |
| if (cp) { | |
| char *save; | |
| char *key; | |
| key = adb_strtok_r(cp + 1, prop_seps, &save); | |
| while (key) { | |
| cp = strchr(key, key_val_sep); | |
| if (cp) { | |
| *cp++ = '\0'; | |
| if (!strcmp(key, "ro.product.name")) | |
| qual_overwrite(&t->product, cp); | |
| else if (!strcmp(key, "ro.product.model")) | |
| qual_overwrite(&t->model, cp); | |
| else if (!strcmp(key, "ro.product.device")) | |
| qual_overwrite(&t->device, cp); | |
| } | |
| key = adb_strtok_r(NULL, prop_seps, &save); | |
| } | |
| } | |
| } | |
| if(!strcmp(type, "bootloader")){ | |
| D("setting connection_state to CS_BOOTLOADER\n"); | |
| t->connection_state = CS_BOOTLOADER; | |
| update_transports(); | |
| return; | |
| } | |
| if(!strcmp(type, "device")) { | |
| D("setting connection_state to CS_DEVICE\n"); | |
| t->connection_state = CS_DEVICE; | |
| update_transports(); | |
| return; | |
| } | |
| if(!strcmp(type, "recovery")) { | |
| D("setting connection_state to CS_RECOVERY\n"); | |
| t->connection_state = CS_RECOVERY; | |
| update_transports(); | |
| return; | |
| } | |
| if(!strcmp(type, "sideload")) { | |
| D("setting connection_state to CS_SIDELOAD\n"); | |
| t->connection_state = CS_SIDELOAD; | |
| update_transports(); | |
| return; | |
| } | |
| t->connection_state = CS_HOST; | |
| } | |
| void handle_packet(apacket *p, atransport *t) | |
| { | |
| asocket *s; | |
| D("handle_packet() %c%c%c%c\n", ((char*) (&(p->msg.command)))[0], | |
| ((char*) (&(p->msg.command)))[1], | |
| ((char*) (&(p->msg.command)))[2], | |
| ((char*) (&(p->msg.command)))[3]); | |
| print_packet("recv", p); | |
| switch(p->msg.command){ | |
| case A_SYNC: | |
| if(p->msg.arg0){ | |
| send_packet(p, t); | |
| if(HOST) send_connect(t); | |
| } else { | |
| t->connection_state = CS_OFFLINE; | |
| handle_offline(t); | |
| send_packet(p, t); | |
| } | |
| return; | |
| case A_CNXN: /* CONNECT(version, maxdata, "system-id-string") */ | |
| /* XXX verify version, etc */ | |
| if(t->connection_state != CS_OFFLINE) { | |
| t->connection_state = CS_OFFLINE; | |
| handle_offline(t); | |
| } | |
| parse_banner((char*) p->data, t); | |
| if (HOST || !auth_enabled) { | |
| handle_online(t); | |
| if(!HOST) send_connect(t); | |
| } else { | |
| send_auth_request(t); | |
| } | |
| break; | |
| case A_AUTH: | |
| if (p->msg.arg0 == ADB_AUTH_TOKEN) { | |
| t->connection_state = CS_UNAUTHORIZED; | |
| t->key = adb_auth_nextkey(t->key); | |
| if (t->key) { | |
| send_auth_response(p->data, p->msg.data_length, t); | |
| } else { | |
| /* No more private keys to try, send the public key */ | |
| send_auth_publickey(t); | |
| } | |
| } else if (p->msg.arg0 == ADB_AUTH_SIGNATURE) { | |
| if (adb_auth_verify(t->token, p->data, p->msg.data_length)) { | |
| adb_auth_verified(t); | |
| t->failed_auth_attempts = 0; | |
| } else { | |
| if (t->failed_auth_attempts++ > 10) | |
| adb_sleep_ms(1000); | |
| send_auth_request(t); | |
| } | |
| } else if (p->msg.arg0 == ADB_AUTH_RSAPUBLICKEY) { | |
| adb_auth_confirm_key(p->data, p->msg.data_length, t); | |
| } | |
| break; | |
| case A_OPEN: /* OPEN(local-id, 0, "destination") */ | |
| if (t->online && p->msg.arg0 != 0 && p->msg.arg1 == 0) { | |
| char *name = (char*) p->data; | |
| name[p->msg.data_length > 0 ? p->msg.data_length - 1 : 0] = 0; | |
| s = create_local_service_socket(name); | |
| if(s == 0) { | |
| send_close(0, p->msg.arg0, t); | |
| } else { | |
| s->peer = create_remote_socket(p->msg.arg0, t); | |
| s->peer->peer = s; | |
| send_ready(s->id, s->peer->id, t); | |
| s->ready(s); | |
| } | |
| } | |
| break; | |
| case A_OKAY: /* READY(local-id, remote-id, "") */ | |
| if (t->online && p->msg.arg0 != 0 && p->msg.arg1 != 0) { | |
| if((s = find_local_socket(p->msg.arg1, 0))) { | |
| if(s->peer == 0) { | |
| /* On first READY message, create the connection. */ | |
| s->peer = create_remote_socket(p->msg.arg0, t); | |
| s->peer->peer = s; | |
| s->ready(s); | |
| } else if (s->peer->id == p->msg.arg0) { | |
| /* Other READY messages must use the same local-id */ | |
| s->ready(s); | |
| } else { | |
| D("Invalid A_OKAY(%d,%d), expected A_OKAY(%d,%d) on transport %s\n", | |
| p->msg.arg0, p->msg.arg1, s->peer->id, p->msg.arg1, t->serial); | |
| } | |
| } | |
| } | |
| break; | |
| case A_CLSE: /* CLOSE(local-id, remote-id, "") or CLOSE(0, remote-id, "") */ | |
| if (t->online && p->msg.arg1 != 0) { | |
| if((s = find_local_socket(p->msg.arg1, p->msg.arg0))) { | |
| /* According to protocol.txt, p->msg.arg0 might be 0 to indicate | |
| * a failed OPEN only. However, due to a bug in previous ADB | |
| * versions, CLOSE(0, remote-id, "") was also used for normal | |
| * CLOSE() operations. | |
| * | |
| * This is bad because it means a compromised adbd could | |
| * send packets to close connections between the host and | |
| * other devices. To avoid this, only allow this if the local | |
| * socket has a peer on the same transport. | |
| */ | |
| if (p->msg.arg0 == 0 && s->peer && s->peer->transport != t) { | |
| D("Invalid A_CLSE(0, %u) from transport %s, expected transport %s\n", | |
| p->msg.arg1, t->serial, s->peer->transport->serial); | |
| } else { | |
| s->close(s); | |
| } | |
| } | |
| } | |
| break; | |
| case A_WRTE: /* WRITE(local-id, remote-id, <data>) */ | |
| if (t->online && p->msg.arg0 != 0 && p->msg.arg1 != 0) { | |
| if((s = find_local_socket(p->msg.arg1, p->msg.arg0))) { | |
| unsigned rid = p->msg.arg0; | |
| p->len = p->msg.data_length; | |
| if(s->enqueue(s, p) == 0) { | |
| D("Enqueue the socket\n"); | |
| send_ready(s->id, rid, t); | |
| } | |
| return; | |
| } | |
| } | |
| break; | |
| default: | |
| printf("handle_packet: what is %08x?!\n", p->msg.command); | |
| } | |
| put_apacket(p); | |
| } | |
| 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); | |
| if (gListenAll > 0) { | |
| ret = socket_inaddr_any_server(port, SOCK_STREAM); | |
| } else { | |
| 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; | |
| } | |
| // Write a single line describing a listener to a user-provided buffer. | |
| // Appends a trailing zero, even in case of truncation, but the function | |
| // returns the full line length. | |
| // If |buffer| is NULL, does not write but returns required size. | |
| static int format_listener(alistener* l, char* buffer, size_t buffer_len) { | |
| // Format is simply: | |
| // | |
| // <device-serial> " " <local-name> " " <remote-name> "\n" | |
| // | |
| int local_len = strlen(l->local_name); | |
| int connect_len = strlen(l->connect_to); | |
| int serial_len = strlen(l->transport->serial); | |
| if (buffer != NULL) { | |
| snprintf(buffer, buffer_len, "%s %s %s\n", | |
| l->transport->serial, l->local_name, l->connect_to); | |
| } | |
| // NOTE: snprintf() on Windows returns -1 in case of truncation, so | |
| // return the computed line length instead. | |
| return local_len + connect_len + serial_len + 3; | |
| } | |
| // Write the list of current listeners (network redirections) into a | |
| // user-provided buffer. Appends a trailing zero, even in case of | |
| // trunctaion, but return the full size in bytes. | |
| // If |buffer| is NULL, does not write but returns required size. | |
| static int format_listeners(char* buf, size_t buflen) | |
| { | |
| alistener* l; | |
| int result = 0; | |
| for (l = listener_list.next; l != &listener_list; l = l->next) { | |
| // Ignore special listeners like those for *smartsocket* | |
| if (l->connect_to[0] == '*') | |
| continue; | |
| int len = format_listener(l, buf, buflen); | |
| // Ensure there is space for the trailing zero. | |
| result += len; | |
| if (buf != NULL) { | |
| buf += len; | |
| buflen -= len; | |
| if (buflen <= 0) | |
| break; | |
| } | |
| } | |
| return result; | |
| } | |
| static int remove_listener(const char *local_name, atransport* transport) | |
| { | |
| alistener *l; | |
| for (l = listener_list.next; l != &listener_list; l = l->next) { | |
| if (!strcmp(local_name, l->local_name)) { | |
| listener_disconnect(l, l->transport); | |
| return 0; | |
| } | |
| } | |
| return -1; | |
| } | |
| static void remove_all_listeners(void) | |
| { | |
| alistener *l, *l_next; | |
| for (l = listener_list.next; l != &listener_list; l = l_next) { | |
| l_next = l->next; | |
| // Never remove smart sockets. | |
| if (l->connect_to[0] == '*') | |
| continue; | |
| listener_disconnect(l, l->transport); | |
| } | |
| } | |
| // error/status codes for install_listener. | |
| typedef enum { | |
| INSTALL_STATUS_OK = 0, | |
| INSTALL_STATUS_INTERNAL_ERROR = -1, | |
| INSTALL_STATUS_CANNOT_BIND = -2, | |
| INSTALL_STATUS_CANNOT_REBIND = -3, | |
| } install_status_t; | |
| static install_status_t install_listener(const char *local_name, | |
| const char *connect_to, | |
| atransport* transport, | |
| int no_rebind) | |
| { | |
| 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 INSTALL_STATUS_INTERNAL_ERROR; | |
| } | |
| /* can't repurpose a listener if 'no_rebind' is true */ | |
| if (no_rebind) { | |
| return INSTALL_STATUS_CANNOT_REBIND; | |
| } | |
| cto = strdup(connect_to); | |
| if(cto == 0) { | |
| return INSTALL_STATUS_INTERNAL_ERROR; | |
| } | |
| //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 INSTALL_STATUS_OK; | |
| } | |
| } | |
| 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 INSTALL_STATUS_OK; | |
| nomem: | |
| fatal("cannot allocate listener"); | |
| return INSTALL_STATUS_INTERNAL_ERROR; | |
| } | |
| #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 | |
| #ifdef WORKAROUND_BUG6558362 | |
| #include <sched.h> | |
| #define AFFINITY_ENVVAR "ADB_CPU_AFFINITY_BUG6558362" | |
| void adb_set_affinity(void) | |
| { | |
| cpu_set_t cpu_set; | |
| const char* cpunum_str = getenv(AFFINITY_ENVVAR); | |
| char* strtol_res; | |
| int cpu_num; | |
| if (!cpunum_str || !*cpunum_str) | |
| return; | |
| cpu_num = strtol(cpunum_str, &strtol_res, 0); | |
| if (*strtol_res != '\0') | |
| fatal("bad number (%s) in env var %s. Expecting 0..n.\n", cpunum_str, AFFINITY_ENVVAR); | |
| sched_getaffinity(0, sizeof(cpu_set), &cpu_set); | |
| D("orig cpu_set[0]=0x%08lx\n", cpu_set.__bits[0]); | |
| CPU_ZERO(&cpu_set); | |
| CPU_SET(cpu_num, &cpu_set); | |
| sched_setaffinity(0, sizeof(cpu_set), &cpu_set); | |
| sched_getaffinity(0, sizeof(cpu_set), &cpu_set); | |
| D("new cpu_set[0]=0x%08lx\n", cpu_set.__bits[0]); | |
| } | |
| #endif | |
| 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; | |
| 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) ); | |
| 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]); | |
| 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(); | |
| } | |
| #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 void drop_capabilities_bounding_set_if_needed() { | |
| #ifdef ALLOW_ADBD_ROOT | |
| char value[PROPERTY_VALUE_MAX]; | |
| property_get("ro.debuggable", value, ""); | |
| if (strcmp(value, "1") == 0) { | |
| return; | |
| } | |
| #endif | |
| int i; | |
| for (i = 0; prctl(PR_CAPBSET_READ, i, 0, 0, 0) >= 0; i++) { | |
| if (i == CAP_SETUID || i == CAP_SETGID) { | |
| // CAP_SETUID CAP_SETGID needed by /system/bin/run-as | |
| continue; | |
| } | |
| int err = prctl(PR_CAPBSET_DROP, i, 0, 0, 0); | |
| // Some kernels don't have file capabilities compiled in, and | |
| // prctl(PR_CAPBSET_DROP) returns EINVAL. Don't automatically | |
| // die when we see such misconfigured kernels. | |
| if ((err < 0) && (errno != EINVAL)) { | |
| exit(1); | |
| } | |
| } | |
| } | |
| 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; | |
| #ifdef WORKAROUND_BUG6558362 | |
| if(is_daemon) adb_set_affinity(); | |
| #endif | |
| usb_vendors_init(); | |
| usb_init(); | |
| local_init(DEFAULT_ADB_LOCAL_TRANSPORT_PORT); | |
| adb_auth_init(); | |
| char local_name[30]; | |
| build_local_name(local_name, sizeof(local_name), server_port); | |
| if(install_listener(local_name, "*smartsocket*", NULL, 0)) { | |
| exit(1); | |
| } | |
| #else | |
| property_get("ro.adb.secure", value, "0"); | |
| auth_enabled = !strcmp(value, "1"); | |
| if (auth_enabled) | |
| adb_auth_init(); | |
| // Our external storage path may be different than apps, since | |
| // we aren't able to bind mount after dropping root. | |
| const char* adb_external_storage = getenv("ADB_EXTERNAL_STORAGE"); | |
| if (NULL != adb_external_storage) { | |
| setenv("EXTERNAL_STORAGE", adb_external_storage, 1); | |
| } else { | |
| D("Warning: ADB_EXTERNAL_STORAGE is not set. Leaving EXTERNAL_STORAGE" | |
| " unchanged.\n"); | |
| } | |
| /* 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_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_NET_BW_STATS }; | |
| if (setgroups(sizeof(groups)/sizeof(groups[0]), groups) != 0) { | |
| exit(1); | |
| } | |
| /* 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()) { | |
| drop_capabilities_bounding_set_if_needed(); | |
| /* then switch user and group to "shell" */ | |
| if (setgid(AID_SHELL) != 0) { | |
| exit(1); | |
| } | |
| if (setuid(AID_SHELL) != 0) { | |
| exit(1); | |
| } | |
| D("Local port disabled\n"); | |
| } else { | |
| char local_name[30]; | |
| if ((root_seclabel != NULL) && (is_selinux_enabled() > 0)) { | |
| // b/12587913: fix setcon to allow const pointers | |
| if (setcon((char *)root_seclabel) < 0) { | |
| exit(1); | |
| } | |
| } | |
| build_local_name(local_name, sizeof(local_name), server_port); | |
| if(install_listener(local_name, "*smartsocket*", NULL, 0)) { | |
| exit(1); | |
| } | |
| } | |
| int usb = 0; | |
| if (access(USB_ADB_PATH, F_OK) == 0 || access(USB_FFS_ADB_EP0, F_OK) == 0) { | |
| // listen on USB | |
| usb_init(); | |
| usb = 1; | |
| } | |
| // If one of these properties is set, also listen on that port | |
| // If one of the properties isn't set and we couldn't listen on usb, | |
| // listen on the default port. | |
| 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) { | |
| printf("using port=%d\n", port); | |
| // listen on TCP port specified by service.adb.tcp.port property | |
| local_init(port); | |
| } else if (!usb) { | |
| // 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; | |
| } | |
| // Try to handle a network forwarding request. | |
| // This returns 1 on success, 0 on failure, and -1 to indicate this is not | |
| // a forwarding-related request. | |
| int handle_forward_request(const char* service, transport_type ttype, char* serial, int reply_fd) | |
| { | |
| if (!strcmp(service, "list-forward")) { | |
| // Create the list of forward redirections. | |
| int buffer_size = format_listeners(NULL, 0); | |
| // Add one byte for the trailing zero. | |
| char* buffer = malloc(buffer_size + 1); | |
| if (buffer == NULL) { | |
| sendfailmsg(reply_fd, "not enough memory"); | |
| return 1; | |
| } | |
| (void) format_listeners(buffer, buffer_size + 1); | |
| #if ADB_HOST | |
| send_msg_with_okay(reply_fd, buffer, buffer_size); | |
| #else | |
| send_msg_with_header(reply_fd, buffer, buffer_size); | |
| #endif | |
| free(buffer); | |
| return 1; | |
| } | |
| if (!strcmp(service, "killforward-all")) { | |
| remove_all_listeners(); | |
| #if ADB_HOST | |
| /* On the host: 1st OKAY is connect, 2nd OKAY is status */ | |
| adb_write(reply_fd, "OKAY", 4); | |
| #endif | |
| adb_write(reply_fd, "OKAY", 4); | |
| return 1; | |
| } | |
| if (!strncmp(service, "forward:",8) || | |
| !strncmp(service, "killforward:",12)) { | |
| char *local, *remote, *err; | |
| int r; | |
| atransport *transport; | |
| int createForward = strncmp(service, "kill", 4); | |
| int no_rebind = 0; | |
| local = strchr(service, ':') + 1; | |
| // Handle forward:norebind:<local>... here | |
| if (createForward && !strncmp(local, "norebind:", 9)) { | |
| no_rebind = 1; | |
| local = strchr(local, ':') + 1; | |
| } | |
| remote = strchr(local,';'); | |
| if (createForward) { | |
| // Check forward: parameter format: '<local>;<remote>' | |
| if(remote == 0) { | |
| sendfailmsg(reply_fd, "malformed forward spec"); | |
| return 1; | |
| } | |
| *remote++ = 0; | |
| if((local[0] == 0) || (remote[0] == 0) || (remote[0] == '*')) { | |
| sendfailmsg(reply_fd, "malformed forward spec"); | |
| return 1; | |
| } | |
| } else { | |
| // Check killforward: parameter format: '<local>' | |
| if (local[0] == 0) { | |
| sendfailmsg(reply_fd, "malformed forward spec"); | |
| return 1; | |
| } | |
| } | |
| transport = acquire_one_transport(CS_ANY, ttype, serial, &err); | |
| if (!transport) { | |
| sendfailmsg(reply_fd, err); | |
| return 1; | |
| } | |
| if (createForward) { | |
| r = install_listener(local, remote, transport, no_rebind); | |
| } else { | |
| r = remove_listener(local, transport); | |
| } | |
| if(r == 0) { | |
| #if ADB_HOST | |
| /* On the host: 1st OKAY is connect, 2nd OKAY is status */ | |
| writex(reply_fd, "OKAY", 4); | |
| #endif | |
| writex(reply_fd, "OKAY", 4); | |
| return 1; | |
| } | |
| if (createForward) { | |
| const char* message; | |
| switch (r) { | |
| case INSTALL_STATUS_CANNOT_BIND: | |
| message = "cannot bind to socket"; | |
| break; | |
| case INSTALL_STATUS_CANNOT_REBIND: | |
| message = "cannot rebind existing socket"; | |
| break; | |
| default: | |
| message = "internal error"; | |
| } | |
| sendfailmsg(reply_fd, message); | |
| } else { | |
| sendfailmsg(reply_fd, "cannot remove listener"); | |
| } | |
| return 1; | |
| } | |
| return 0; | |
| } | |
| int handle_host_request(char *service, transport_type ttype, char* serial, int reply_fd, asocket *s) | |
| { | |
| atransport *transport = NULL; | |
| 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(buffer, 0, sizeof(buffer)); | |
| D("Getting device list \n"); | |
| list_transports(buffer, sizeof(buffer), use_long); | |
| D("Wrote device list \n"); | |
| send_msg_with_okay(reply_fd, buffer, strlen(buffer)); | |
| return 0; | |
| } | |
| } | |
| // remove TCP transport | |
| if (!strncmp(service, "disconnect:", 11)) { | |
| char buffer[4096]; | |
| memset(buffer, 0, sizeof(buffer)); | |
| char* serial = service + 11; | |
| if (serial[0] == 0) { | |
| // disconnect from all TCP devices | |
| unregister_all_tcp_transports(); | |
| } else { | |
| char hostbuf[100]; | |
| // assume port 5555 if no port is specified | |
| if (!strchr(serial, ':')) { | |
| snprintf(hostbuf, sizeof(hostbuf) - 1, "%s:5555", serial); | |
| serial = hostbuf; | |
| } | |
| atransport *t = find_transport(serial); | |
| if (t) { | |
| unregister_transport(t); | |
| } else { | |
| snprintf(buffer, sizeof(buffer), "No such device %s", serial); | |
| } | |
| } | |
| send_msg_with_okay(reply_fd, buffer, strlen(buffer)); | |
| return 0; | |
| } | |
| // returns our value for ADB_SERVER_VERSION | |
| if (!strcmp(service, "version")) { | |
| char version[12]; | |
| snprintf(version, sizeof version, "%04x", ADB_SERVER_VERSION); | |
| send_msg_with_okay(reply_fd, version, strlen(version)); | |
| return 0; | |
| } | |
| if(!strncmp(service,"get-serialno",strlen("get-serialno"))) { | |
| char *out = "unknown"; | |
| transport = acquire_one_transport(CS_ANY, ttype, serial, NULL); | |
| if (transport && transport->serial) { | |
| out = transport->serial; | |
| } | |
| send_msg_with_okay(reply_fd, out, strlen(out)); | |
| return 0; | |
| } | |
| if(!strncmp(service,"get-devpath",strlen("get-devpath"))) { | |
| char *out = "unknown"; | |
| transport = acquire_one_transport(CS_ANY, ttype, serial, NULL); | |
| if (transport && transport->devpath) { | |
| out = transport->devpath; | |
| } | |
| send_msg_with_okay(reply_fd, out, strlen(out)); | |
| return 0; | |
| } | |
| // indicates a new emulator instance has started | |
| if (!strncmp(service,"emulator:",9)) { | |
| int port = atoi(service+9); | |
| local_connect(port); | |
| /* we don't even need to send a reply */ | |
| return 0; | |
| } | |
| if(!strncmp(service,"get-state",strlen("get-state"))) { | |
| transport = acquire_one_transport(CS_ANY, ttype, serial, NULL); | |
| char *state = connection_state_name(transport); | |
| send_msg_with_okay(reply_fd, state, strlen(state)); | |
| return 0; | |
| } | |
| #endif // ADB_HOST | |
| int ret = handle_forward_request(service, ttype, serial, reply_fd); | |
| if (ret >= 0) | |
| return ret - 1; | |
| return -1; | |
| } | |
| 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(); | |
| while(1) { | |
| int c; | |
| int option_index = 0; | |
| static struct option opts[] = { | |
| {"root_seclabel", required_argument, 0, 's' }, | |
| {"device_banner", required_argument, 0, 'b' } | |
| }; | |
| c = getopt_long(argc, argv, "", opts, &option_index); | |
| if (c == -1) | |
| break; | |
| switch (c) { | |
| case 's': | |
| root_seclabel = optarg; | |
| break; | |
| case 'b': | |
| adb_device_banner = optarg; | |
| break; | |
| default: | |
| break; | |
| } | |
| } | |
| start_device_log(); | |
| D("Handling main()\n"); | |
| return adb_main(0, DEFAULT_ADB_PORT); | |
| #endif | |
| } |