Merge changes from topic "adb-mdns"
* changes:
adb pair: allow passing password as command-line argument.
Change adb auto-connect to use mdns instance name.
'adb pair' by mdns instance name.
'adb connect' by mDNS service name.
Add mDNS service instance name parser.
diff --git a/adb/Android.bp b/adb/Android.bp
index 432770c..9db151d 100644
--- a/adb/Android.bp
+++ b/adb/Android.bp
@@ -218,6 +218,7 @@
"client/usb_dispatch.cpp",
"client/transport_local.cpp",
"client/transport_mdns.cpp",
+ "client/mdns_utils.cpp",
"client/transport_usb.cpp",
"client/pairing/pairing_client.cpp",
],
@@ -264,7 +265,10 @@
cc_test_host {
name: "adb_test",
defaults: ["adb_defaults"],
- srcs: libadb_test_srcs,
+ srcs: libadb_test_srcs + [
+ "client/mdns_utils_test.cpp",
+ ],
+
static_libs: [
"libadb_crypto_static",
"libadb_host",
diff --git a/adb/adb_wifi.h b/adb/adb_wifi.h
index 3a6b0b1..42f414b 100644
--- a/adb/adb_wifi.h
+++ b/adb/adb_wifi.h
@@ -16,6 +16,7 @@
#pragma once
+#include <optional>
#include <string>
#include "adb.h"
@@ -30,6 +31,19 @@
std::string mdns_check();
std::string mdns_list_discovered_services();
+struct MdnsInfo {
+ std::string service_name;
+ std::string service_type;
+ std::string addr;
+ uint16_t port = 0;
+
+ MdnsInfo(std::string_view name, std::string_view type, std::string_view addr, uint16_t port)
+ : service_name(name), service_type(type), addr(addr), port(port) {}
+};
+
+std::optional<MdnsInfo> mdns_get_connect_service_info(std::string_view name);
+std::optional<MdnsInfo> mdns_get_pairing_service_info(std::string_view name);
+
#else // !ADB_HOST
struct AdbdAuthContext;
diff --git a/adb/client/adb_wifi.cpp b/adb/client/adb_wifi.cpp
index fa71028..61a9a48 100644
--- a/adb/client/adb_wifi.cpp
+++ b/adb/client/adb_wifi.cpp
@@ -179,17 +179,21 @@
void adb_wifi_pair_device(const std::string& host, const std::string& password,
std::string& response) {
- // Check the address for a valid address and port.
- std::string parsed_host;
- std::string err;
- int port = -1;
- if (!android::base::ParseNetAddress(host, &parsed_host, &port, nullptr, &err)) {
- response = "Failed to parse address for pairing: " + err;
- return;
- }
- if (port <= 0 || port > 65535) {
- response = "Invalid port while parsing address [" + host + "]";
- return;
+ auto mdns_info = mdns_get_pairing_service_info(host);
+
+ if (!mdns_info.has_value()) {
+ // Check the address for a valid address and port.
+ std::string parsed_host;
+ std::string err;
+ int port = -1;
+ if (!android::base::ParseNetAddress(host, &parsed_host, &port, nullptr, &err)) {
+ response = "Failed to parse address for pairing: " + err;
+ return;
+ }
+ if (port <= 0 || port > 65535) {
+ response = "Invalid port while parsing address [" + host + "]";
+ return;
+ }
}
auto priv_key = adb_auth_get_user_privkey();
@@ -220,7 +224,11 @@
PairingResultWaiter waiter;
std::unique_lock<std::mutex> lock(waiter.mutex_);
- if (!client->Start(host, waiter.OnResult, &waiter)) {
+ if (!client->Start(mdns_info.has_value()
+ ? android::base::StringPrintf("%s:%d", mdns_info->addr.c_str(),
+ mdns_info->port)
+ : host,
+ waiter.OnResult, &waiter)) {
response = "Failed: Unable to start pairing client.";
return;
}
diff --git a/adb/client/commandline.cpp b/adb/client/commandline.cpp
index efb6c2f..eaa32e5 100644
--- a/adb/client/commandline.cpp
+++ b/adb/client/commandline.cpp
@@ -104,7 +104,8 @@
" connect HOST[:PORT] connect to a device via TCP/IP [default port=5555]\n"
" disconnect [HOST[:PORT]]\n"
" disconnect from given TCP/IP device [default port=5555], or all\n"
- " pair HOST[:PORT] pair with a device for secure TCP/IP communication\n"
+ " pair HOST[:PORT] [PAIRING CODE]\n"
+ " pair with a device for secure TCP/IP communication\n"
" forward --list list all forward socket connections\n"
" forward [--no-rebind] LOCAL REMOTE\n"
" forward socket connection using:\n"
@@ -1735,13 +1736,17 @@
} else if (!strcmp(argv[0], "abb")) {
return adb_abb(argc, argv);
} else if (!strcmp(argv[0], "pair")) {
- if (argc != 2) error_exit("usage: adb pair <host>[:<port>]");
+ if (argc < 2 || argc > 3) error_exit("usage: adb pair HOST[:PORT] [PAIRING CODE]");
std::string password;
- printf("Enter pairing code: ");
- fflush(stdout);
- if (!std::getline(std::cin, password) || password.empty()) {
- error_exit("No pairing code provided");
+ if (argc == 2) {
+ printf("Enter pairing code: ");
+ fflush(stdout);
+ if (!std::getline(std::cin, password) || password.empty()) {
+ error_exit("No pairing code provided");
+ }
+ } else {
+ password = argv[2];
}
std::string query =
android::base::StringPrintf("host:pair:%s:%s", password.c_str(), argv[1]);
diff --git a/adb/client/mdns_utils.cpp b/adb/client/mdns_utils.cpp
new file mode 100644
index 0000000..8666b18
--- /dev/null
+++ b/adb/client/mdns_utils.cpp
@@ -0,0 +1,77 @@
+/*
+ * Copyright (C) 2020 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.
+ */
+
+#include "client/mdns_utils.h"
+
+#include <android-base/strings.h>
+
+namespace mdns {
+
+// <Instance>.<Service>.<Domain>
+std::optional<MdnsInstance> mdns_parse_instance_name(std::string_view name) {
+ CHECK(!name.empty());
+
+ // Return the whole name if it doesn't fall under <Instance>.<Service>.<Domain> or
+ // <Instance>.<Service>
+ bool has_local_suffix = false;
+ // Strip the local suffix, if any
+ {
+ std::string local_suffix = ".local";
+ local_suffix += android::base::EndsWith(name, ".") ? "." : "";
+
+ if (android::base::ConsumeSuffix(&name, local_suffix)) {
+ if (name.empty()) {
+ return std::nullopt;
+ }
+ has_local_suffix = true;
+ }
+ }
+
+ std::string transport;
+ // Strip the transport suffix, if any
+ {
+ std::string add_dot = (!has_local_suffix && android::base::EndsWith(name, ".")) ? "." : "";
+ std::array<std::string, 2> transport_suffixes{"._tcp", "._udp"};
+
+ for (const auto& t : transport_suffixes) {
+ if (android::base::ConsumeSuffix(&name, t + add_dot)) {
+ if (name.empty()) {
+ return std::nullopt;
+ }
+ transport = t.substr(1);
+ break;
+ }
+ }
+
+ if (has_local_suffix && transport.empty()) {
+ return std::nullopt;
+ }
+ }
+
+ if (!has_local_suffix && transport.empty()) {
+ return std::make_optional<MdnsInstance>(name, "", "");
+ }
+
+ // Split the service name from the instance name
+ auto pos = name.rfind(".");
+ if (pos == 0 || pos == std::string::npos || pos == name.size() - 1) {
+ return std::nullopt;
+ }
+
+ return std::make_optional<MdnsInstance>(name.substr(0, pos), name.substr(pos + 1), transport);
+}
+
+} // namespace mdns
diff --git a/adb/client/mdns_utils.h b/adb/client/mdns_utils.h
new file mode 100644
index 0000000..40d095d
--- /dev/null
+++ b/adb/client/mdns_utils.h
@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 2020 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.
+ */
+
+#pragma once
+
+#include <optional>
+#include <string_view>
+
+#include "adb_wifi.h"
+
+namespace mdns {
+
+struct MdnsInstance {
+ std::string instance_name; // "my name"
+ std::string service_name; // "_adb-tls-connect"
+ std::string transport_type; // either "_tcp" or "_udp"
+
+ MdnsInstance(std::string_view inst, std::string_view serv, std::string_view trans)
+ : instance_name(inst), service_name(serv), transport_type(trans) {}
+};
+
+// This parser is based on https://tools.ietf.org/html/rfc6763#section-4.1 for
+// structured service instance names, where the whole name is in the format
+// <Instance>.<Service>.<Domain>.
+//
+// In our case, we ignore <Domain> portion of the name, which
+// we always assume to be ".local", or link-local mDNS.
+//
+// The string can be in one of the following forms:
+// - <Instance>.<Service>.<Domain>.?
+// - e.g. "instance._service._tcp.local" (or "...local.")
+// - <Instance>.<Service>.? (must contain either "_tcp" or "_udp" at the end)
+// - e.g. "instance._service._tcp" (or "..._tcp.)
+// - <Instance> (can contain dots '.')
+// - e.g. "myname", "name.", "my.name."
+//
+// Returns an MdnsInstance with the appropriate fields filled in (instance name is never empty),
+// otherwise returns std::nullopt.
+std::optional<MdnsInstance> mdns_parse_instance_name(std::string_view name);
+
+} // namespace mdns
diff --git a/adb/client/mdns_utils_test.cpp b/adb/client/mdns_utils_test.cpp
new file mode 100644
index 0000000..ec71529
--- /dev/null
+++ b/adb/client/mdns_utils_test.cpp
@@ -0,0 +1,173 @@
+/*
+ * Copyright (C) 2020 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.
+ */
+
+#include "client/mdns_utils.h"
+
+#include <gtest/gtest.h>
+
+namespace mdns {
+
+TEST(mdns_utils, mdns_parse_instance_name) {
+ // Just the instance name
+ {
+ std::string str = ".";
+ auto res = mdns_parse_instance_name(str);
+ ASSERT_TRUE(res.has_value());
+ EXPECT_EQ(str, res->instance_name);
+ EXPECT_TRUE(res->service_name.empty());
+ EXPECT_TRUE(res->transport_type.empty());
+ }
+ {
+ std::string str = "my.name";
+ auto res = mdns_parse_instance_name(str);
+ ASSERT_TRUE(res.has_value());
+ EXPECT_EQ(str, res->instance_name);
+ EXPECT_TRUE(res->service_name.empty());
+ EXPECT_TRUE(res->transport_type.empty());
+ }
+ {
+ std::string str = "my.name.";
+ auto res = mdns_parse_instance_name(str);
+ ASSERT_TRUE(res.has_value());
+ EXPECT_EQ(str, res->instance_name);
+ EXPECT_TRUE(res->service_name.empty());
+ EXPECT_TRUE(res->transport_type.empty());
+ }
+
+ // With "_tcp", "_udp" transport type
+ for (const std::string_view transport : {"._tcp", "._udp"}) {
+ {
+ std::string str = android::base::StringPrintf("%s", transport.data());
+ auto res = mdns_parse_instance_name(str);
+ EXPECT_FALSE(res.has_value());
+ }
+ {
+ std::string str = android::base::StringPrintf("%s.", transport.data());
+ auto res = mdns_parse_instance_name(str);
+ EXPECT_FALSE(res.has_value());
+ }
+ {
+ std::string str = android::base::StringPrintf("service%s", transport.data());
+ auto res = mdns_parse_instance_name(str);
+ EXPECT_FALSE(res.has_value());
+ }
+ {
+ std::string str = android::base::StringPrintf(".service%s", transport.data());
+ auto res = mdns_parse_instance_name(str);
+ EXPECT_FALSE(res.has_value());
+ }
+ {
+ std::string str = android::base::StringPrintf("service.%s", transport.data());
+ auto res = mdns_parse_instance_name(str);
+ EXPECT_FALSE(res.has_value());
+ }
+ {
+ std::string str = android::base::StringPrintf("my.service%s", transport.data());
+ auto res = mdns_parse_instance_name(str);
+ ASSERT_TRUE(res.has_value());
+ EXPECT_EQ(res->instance_name, "my");
+ EXPECT_EQ(res->service_name, "service");
+ EXPECT_EQ(res->transport_type, transport.substr(1));
+ }
+ {
+ std::string str = android::base::StringPrintf("my.service%s.", transport.data());
+ auto res = mdns_parse_instance_name(str);
+ ASSERT_TRUE(res.has_value());
+ EXPECT_EQ(res->instance_name, "my");
+ EXPECT_EQ(res->service_name, "service");
+ EXPECT_EQ(res->transport_type, transport.substr(1));
+ }
+ {
+ std::string str = android::base::StringPrintf("my..service%s", transport.data());
+ auto res = mdns_parse_instance_name(str);
+ ASSERT_TRUE(res.has_value());
+ EXPECT_EQ(res->instance_name, "my.");
+ EXPECT_EQ(res->service_name, "service");
+ EXPECT_EQ(res->transport_type, transport.substr(1));
+ }
+ {
+ std::string str = android::base::StringPrintf("my.name.service%s.", transport.data());
+ auto res = mdns_parse_instance_name(str);
+ ASSERT_TRUE(res.has_value());
+ EXPECT_EQ(res->instance_name, "my.name");
+ EXPECT_EQ(res->service_name, "service");
+ EXPECT_EQ(res->transport_type, transport.substr(1));
+ }
+ {
+ std::string str = android::base::StringPrintf("name.service.%s.", transport.data());
+ auto res = mdns_parse_instance_name(str);
+ EXPECT_FALSE(res.has_value());
+ }
+
+ // With ".local" domain
+ {
+ std::string str = ".local";
+ auto res = mdns_parse_instance_name(str);
+ EXPECT_FALSE(res.has_value());
+ }
+ {
+ std::string str = ".local.";
+ auto res = mdns_parse_instance_name(str);
+ EXPECT_FALSE(res.has_value());
+ }
+ {
+ std::string str = "name.local";
+ auto res = mdns_parse_instance_name(str);
+ EXPECT_FALSE(res.has_value());
+ }
+ {
+ std::string str = android::base::StringPrintf("%s.local", transport.data());
+ auto res = mdns_parse_instance_name(str);
+ EXPECT_FALSE(res.has_value());
+ }
+ {
+ std::string str = android::base::StringPrintf("service%s.local", transport.data());
+ auto res = mdns_parse_instance_name(str);
+ EXPECT_FALSE(res.has_value());
+ }
+ {
+ std::string str = android::base::StringPrintf("name.service%s.local", transport.data());
+ auto res = mdns_parse_instance_name(str);
+ ASSERT_TRUE(res.has_value());
+ EXPECT_EQ(res->instance_name, "name");
+ EXPECT_EQ(res->service_name, "service");
+ EXPECT_EQ(res->transport_type, transport.substr(1));
+ }
+ {
+ std::string str =
+ android::base::StringPrintf("name.service%s.local.", transport.data());
+ auto res = mdns_parse_instance_name(str);
+ ASSERT_TRUE(res.has_value());
+ EXPECT_EQ(res->instance_name, "name");
+ EXPECT_EQ(res->service_name, "service");
+ EXPECT_EQ(res->transport_type, transport.substr(1));
+ }
+ {
+ std::string str =
+ android::base::StringPrintf("name.service%s..local.", transport.data());
+ auto res = mdns_parse_instance_name(str);
+ EXPECT_FALSE(res.has_value());
+ }
+ {
+ std::string str =
+ android::base::StringPrintf("name.service.%s.local.", transport.data());
+ auto res = mdns_parse_instance_name(str);
+ EXPECT_FALSE(res.has_value());
+ }
+ }
+}
+
+} // namespace mdns
diff --git a/adb/client/transport_mdns.cpp b/adb/client/transport_mdns.cpp
index c9993b7..9db2453 100644
--- a/adb/client/transport_mdns.cpp
+++ b/adb/client/transport_mdns.cpp
@@ -38,6 +38,7 @@
#include "adb_trace.h"
#include "adb_utils.h"
#include "adb_wifi.h"
+#include "client/mdns_utils.h"
#include "fdevent/fdevent.h"
#include "sysdeps.h"
@@ -221,7 +222,7 @@
}
std::string response;
- connect_device(android::base::StringPrintf(addr_format_.c_str(), ip_addr_, port_),
+ connect_device(android::base::StringPrintf("%s.%s", serviceName_.c_str(), regType_.c_str()),
&response);
D("Secure connect to %s regtype %s (%s:%hu) : %s", serviceName_.c_str(), regType_.c_str(),
ip_addr_, port_, response.c_str());
@@ -248,26 +249,8 @@
return false;
}
- // adb secure service needs to do something different from just
- // connecting here.
- if (adb_DNSServiceShouldAutoConnect(regType_.c_str(), serviceName_.c_str())) {
- std::string response;
- D("Attempting to serviceName=[%s], regtype=[%s] ipaddr=(%s:%hu)", serviceName_.c_str(),
- regType_.c_str(), ip_addr_, port_);
- int index = adb_DNSServiceIndexByName(regType_.c_str());
- if (index == kADBSecureConnectServiceRefIndex) {
- ConnectSecureWifiDevice();
- } else {
- connect_device(android::base::StringPrintf(addr_format_.c_str(), ip_addr_, port_),
- &response);
- D("Connect to %s regtype %s (%s:%hu) : %s", serviceName_.c_str(), regType_.c_str(),
- ip_addr_, port_, response.c_str());
- }
- } else {
- D("Not immediately connecting to serviceName=[%s], regtype=[%s] ipaddr=(%s:%hu)",
- serviceName_.c_str(), regType_.c_str(), ip_addr_, port_);
- }
-
+ // Add to the service registry before trying to auto-connect, since socket_spec_connect will
+ // check these registries for the ip address when connecting via mdns instance name.
int adbSecureServiceType = serviceIndex();
ServiceRegistry* services = nullptr;
switch (adbSecureServiceType) {
@@ -294,6 +277,25 @@
}
services->push_back(std::unique_ptr<ResolvedService>(this));
+ if (adb_DNSServiceShouldAutoConnect(regType_.c_str(), serviceName_.c_str())) {
+ std::string response;
+ D("Attempting to connect serviceName=[%s], regtype=[%s] ipaddr=(%s:%hu)",
+ serviceName_.c_str(), regType_.c_str(), ip_addr_, port_);
+ int index = adb_DNSServiceIndexByName(regType_.c_str());
+ if (index == kADBSecureConnectServiceRefIndex) {
+ ConnectSecureWifiDevice();
+ } else {
+ connect_device(android::base::StringPrintf("%s.%s", serviceName_.c_str(),
+ regType_.c_str()),
+ &response);
+ D("Connect to %s regtype %s (%s:%hu) : %s", serviceName_.c_str(), regType_.c_str(),
+ ip_addr_, port_, response.c_str());
+ }
+ } else {
+ D("Not immediately connecting to serviceName=[%s], regtype=[%s] ipaddr=(%s:%hu)",
+ serviceName_.c_str(), regType_.c_str(), ip_addr_, port_);
+ }
+
return true;
}
@@ -319,7 +321,7 @@
static void initAdbServiceRegistries();
- static void forEachService(const ServiceRegistry& services, const std::string& hostname,
+ static void forEachService(const ServiceRegistry& services, std::string_view hostname,
adb_secure_foreach_service_callback cb);
static bool connectByServiceName(const ServiceRegistry& services,
@@ -362,7 +364,7 @@
// static
void ResolvedService::forEachService(const ServiceRegistry& services,
- const std::string& wanted_service_name,
+ std::string_view wanted_service_name,
adb_secure_foreach_service_callback cb) {
initAdbServiceRegistries();
@@ -372,7 +374,7 @@
auto ip = service->ipAddress();
auto port = service->port();
- if (wanted_service_name == "") {
+ if (wanted_service_name.empty()) {
cb(service_name.c_str(), reg_type.c_str(), ip.c_str(), port);
} else if (service_name == wanted_service_name) {
cb(service_name.c_str(), reg_type.c_str(), ip.c_str(), port);
@@ -396,14 +398,12 @@
void adb_secure_foreach_pairing_service(const char* service_name,
adb_secure_foreach_service_callback cb) {
- ResolvedService::forEachService(*ResolvedService::sAdbSecurePairingServices,
- service_name ? service_name : "", cb);
+ ResolvedService::forEachService(*ResolvedService::sAdbSecurePairingServices, service_name, cb);
}
void adb_secure_foreach_connect_service(const char* service_name,
adb_secure_foreach_service_callback cb) {
- ResolvedService::forEachService(*ResolvedService::sAdbSecureConnectServices,
- service_name ? service_name : "", cb);
+ ResolvedService::forEachService(*ResolvedService::sAdbSecureConnectServices, service_name, cb);
}
bool adb_secure_connect_by_service_name(const char* service_name) {
@@ -676,3 +676,79 @@
ResolvedService::forEachService(*ResolvedService::sAdbSecurePairingServices, "", cb);
return result;
}
+
+std::optional<MdnsInfo> mdns_get_connect_service_info(std::string_view name) {
+ CHECK(!name.empty());
+
+ auto mdns_instance = mdns::mdns_parse_instance_name(name);
+ if (!mdns_instance.has_value()) {
+ D("Failed to parse mDNS name [%s]", name.data());
+ return std::nullopt;
+ }
+
+ std::optional<MdnsInfo> info;
+ auto cb = [&](const char* service_name, const char* reg_type, const char* ip_addr,
+ uint16_t port) { info.emplace(service_name, reg_type, ip_addr, port); };
+
+ std::string reg_type;
+ if (!mdns_instance->service_name.empty()) {
+ reg_type = android::base::StringPrintf("%s.%s", mdns_instance->service_name.data(),
+ mdns_instance->transport_type.data());
+ int index = adb_DNSServiceIndexByName(reg_type);
+ switch (index) {
+ case kADBTransportServiceRefIndex:
+ ResolvedService::forEachService(*ResolvedService::sAdbTransportServices,
+ mdns_instance->instance_name, cb);
+ break;
+ case kADBSecureConnectServiceRefIndex:
+ ResolvedService::forEachService(*ResolvedService::sAdbSecureConnectServices,
+ mdns_instance->instance_name, cb);
+ break;
+ default:
+ D("Unknown reg_type [%s]", reg_type.data());
+ return std::nullopt;
+ }
+ return info;
+ }
+
+ for (const auto& service :
+ {ResolvedService::sAdbTransportServices, ResolvedService::sAdbSecureConnectServices}) {
+ ResolvedService::forEachService(*service, name, cb);
+ if (info.has_value()) {
+ return info;
+ }
+ }
+
+ return std::nullopt;
+}
+
+std::optional<MdnsInfo> mdns_get_pairing_service_info(std::string_view name) {
+ CHECK(!name.empty());
+
+ auto mdns_instance = mdns::mdns_parse_instance_name(name);
+ if (!mdns_instance.has_value()) {
+ D("Failed to parse mDNS pairing name [%s]", name.data());
+ return std::nullopt;
+ }
+
+ std::optional<MdnsInfo> info;
+ auto cb = [&](const char* service_name, const char* reg_type, const char* ip_addr,
+ uint16_t port) { info.emplace(service_name, reg_type, ip_addr, port); };
+
+ // Verify it's a pairing service if user explicitly inputs it.
+ if (!mdns_instance->service_name.empty()) {
+ auto reg_type = android::base::StringPrintf("%s.%s", mdns_instance->service_name.data(),
+ mdns_instance->transport_type.data());
+ int index = adb_DNSServiceIndexByName(reg_type);
+ switch (index) {
+ case kADBSecurePairingServiceRefIndex:
+ break;
+ default:
+ D("Not an adb pairing reg_type [%s]", reg_type.data());
+ return std::nullopt;
+ }
+ }
+
+ ResolvedService::forEachService(*ResolvedService::sAdbSecurePairingServices, name, cb);
+ return info;
+}
diff --git a/adb/socket_spec.cpp b/adb/socket_spec.cpp
index b7b25fa..5cad70d 100644
--- a/adb/socket_spec.cpp
+++ b/adb/socket_spec.cpp
@@ -30,6 +30,7 @@
#include "adb.h"
#include "adb_utils.h"
+#include "adb_wifi.h"
#include "sysdeps.h"
using namespace std::string_literals;
@@ -195,7 +196,24 @@
fd->reset(network_loopback_client(port_value, SOCK_STREAM, error));
} else {
#if ADB_HOST
- fd->reset(network_connect(hostname, port_value, SOCK_STREAM, 0, error));
+ // Check if the address is an mdns service we can connect to.
+ if (auto mdns_info = mdns_get_connect_service_info(address.substr(4));
+ mdns_info != std::nullopt) {
+ fd->reset(network_connect(mdns_info->addr, mdns_info->port, SOCK_STREAM, 0, error));
+ if (fd->get() != -1) {
+ // TODO(joshuaduong): We still show the ip address for the serial. Change it to
+ // use the mdns instance name, so we can adjust to address changes on
+ // reconnects.
+ port_value = mdns_info->port;
+ if (serial) {
+ *serial = android::base::StringPrintf("%s.%s",
+ mdns_info->service_name.c_str(),
+ mdns_info->service_type.c_str());
+ }
+ }
+ } else {
+ fd->reset(network_connect(hostname, port_value, SOCK_STREAM, 0, error));
+ }
#else
// Disallow arbitrary connections in adbd.
*error = "adbd does not support arbitrary tcp connections";
diff --git a/adb/test_adb.py b/adb/test_adb.py
index 9912f11..4b99411 100755
--- a/adb/test_adb.py
+++ b/adb/test_adb.py
@@ -25,6 +25,7 @@
import random
import select
import socket
+import string
import struct
import subprocess
import sys
@@ -628,21 +629,49 @@
class MdnsTest(unittest.TestCase):
"""Tests for adb mdns."""
+ @staticmethod
+ def _mdns_services(port):
+ output = subprocess.check_output(["adb", "-P", str(port), "mdns", "services"])
+ return [x.split("\t") for x in output.decode("utf8").strip().splitlines()[1:]]
+
+ @staticmethod
+ def _devices(port):
+ output = subprocess.check_output(["adb", "-P", str(port), "devices"])
+ return [x.split("\t") for x in output.decode("utf8").strip().splitlines()[1:]]
+
+ @contextlib.contextmanager
+ def _adb_mdns_connect(self, server_port, mdns_instance, serial, should_connect):
+ """Context manager for an ADB connection.
+
+ This automatically disconnects when done with the connection.
+ """
+
+ output = subprocess.check_output(["adb", "-P", str(server_port), "connect", mdns_instance])
+ if should_connect:
+ self.assertEqual(output.strip(), "connected to {}".format(serial).encode("utf8"))
+ else:
+ self.assertTrue(output.startswith("failed to resolve host: '{}'"
+ .format(mdns_instance).encode("utf8")))
+
+ try:
+ yield
+ finally:
+ # Perform best-effort disconnection. Discard the output.
+ subprocess.Popen(["adb", "disconnect", serial],
+ stdout=subprocess.PIPE,
+ stderr=subprocess.PIPE).communicate()
+
+
@unittest.skipIf(not is_zeroconf_installed(), "zeroconf library not installed")
def test_mdns_services_register_unregister(self):
"""Ensure that `adb mdns services` correctly adds and removes a service
"""
from zeroconf import IPVersion, ServiceInfo
-
- def _mdns_services(port):
- output = subprocess.check_output(["adb", "-P", str(port), "mdns", "services"])
- return [x.split("\t") for x in output.decode("utf8").strip().splitlines()[1:]]
with adb_server() as server_port:
output = subprocess.check_output(["adb", "-P", str(server_port),
"mdns", "services"]).strip()
self.assertTrue(output.startswith(b"List of discovered mdns services"))
- print(f"services={_mdns_services(server_port)}")
"""TODO(joshuaduong): Add ipv6 tests once we have it working in adb"""
"""Register/Unregister a service"""
@@ -656,20 +685,52 @@
name=serv_instance + "." + serv_type + "local.",
addresses=[serv_ipaddr],
port=serv_port)
- print(f"Registering {serv_instance}.{serv_type} ...")
with zeroconf_register_service(zc, service_info) as info:
"""Give adb some time to register the service"""
time.sleep(1)
- print(f"services={_mdns_services(server_port)}")
self.assertTrue(any((serv_instance in line and serv_type in line)
- for line in _mdns_services(server_port)))
+ for line in MdnsTest._mdns_services(server_port)))
"""Give adb some time to unregister the service"""
- print("Unregistering mdns service...")
time.sleep(1)
- print(f"services={_mdns_services(server_port)}")
self.assertFalse(any((serv_instance in line and serv_type in line)
- for line in _mdns_services(server_port)))
+ for line in MdnsTest._mdns_services(server_port)))
+
+ @unittest.skipIf(not is_zeroconf_installed(), "zeroconf library not installed")
+ def test_mdns_connect(self):
+ """Ensure that `adb connect` by mdns instance name works (for non-pairing services)
+ """
+ from zeroconf import IPVersion, ServiceInfo
+
+ with adb_server() as server_port:
+ with zeroconf_context(IPVersion.V4Only) as zc:
+ serv_instance = "fakeadbd-" + ''.join(
+ random.choice(string.ascii_letters) for i in range(4))
+ serv_type = "_" + self.service_name + "._tcp."
+ serv_ipaddr = socket.inet_aton("127.0.0.1")
+ should_connect = self.service_name != "adb-tls-pairing"
+ with fake_adbd() as (port, _):
+ service_info = ServiceInfo(
+ serv_type + "local.",
+ name=serv_instance + "." + serv_type + "local.",
+ addresses=[serv_ipaddr],
+ port=port)
+ with zeroconf_register_service(zc, service_info) as info:
+ """Give adb some time to register the service"""
+ time.sleep(1)
+ self.assertTrue(any((serv_instance in line and serv_type in line)
+ for line in MdnsTest._mdns_services(server_port)))
+ full_name = '.'.join([serv_instance, serv_type])
+ with self._adb_mdns_connect(server_port, serv_instance, full_name,
+ should_connect):
+ if should_connect:
+ self.assertEqual(MdnsTest._devices(server_port),
+ [[full_name, "device"]])
+
+ """Give adb some time to unregister the service"""
+ time.sleep(1)
+ self.assertFalse(any((serv_instance in line and serv_type in line)
+ for line in MdnsTest._mdns_services(server_port)))
def main():
"""Main entrypoint."""