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Add libnice and listen for direct connections in Jingle SOCKS5 (#608)

Browse source 
Add libnice as a plugin. If it is present, use libnice to enumerate
local IP addresses and listen on them to support direct connections for
Jingle SOCKS5.

Tested with Conversations and Gajim.

Created the nice.vapi file using
```
vapigen --library nice --pkg gio-2.0 --metadatadir metadata /usr/share/gir-1.0/Nice-0.1.gir
```
This commit is contained in:
hrxi 2019-12-28 03:11:51 +01:00 committed by fiaxh
parent e70b7c1222
commit 148cf48d2b
13 changed files with 698 additions and 16 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
CMakeLists.txt
View file

@ -11,7 +11,7 @@ else ()
endif ()
# Prepare Plugins
set(DEFAULT_PLUGINS omemo;openpgp;http-files)
set(DEFAULT_PLUGINS omemo;openpgp;http-files;ice)
foreach (plugin ${DEFAULT_PLUGINS})
if ("$CACHE{DINO_PLUGIN_ENABLED_${plugin}}" STREQUAL "")
if (NOT DEFINED DINO_PLUGIN_ENABLED_${plugin}})

13
cmake/FindNice.cmake Normal file
View file

@ -0,0 +1,13 @@
include(PkgConfigWithFallback)
find_pkg_config_with_fallback(Nice
PKG_CONFIG_NAME nice
LIB_NAMES nice
INCLUDE_NAMES nice.h
INCLUDE_DIR_SUFFIXES nice nice/include
DEPENDS GIO
)
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(Nice
REQUIRED_VARS Nice_LIBRARY
VERSION_VAR Nice_VERSION)

2
cmake/PkgConfigWithFallback.cmake
View file

@ -10,7 +10,7 @@ function(find_pkg_config_with_fallback name)
endif(PKG_CONFIG_FOUND)
if (${name}_PKG_CONFIG_FOUND)
# Found via pkg-config, using it's result values
# Found via pkg-config, using its result values
set(${name}_FOUND ${${name}_PKG_CONFIG_FOUND})
# Try to find real file name of libraries

2
libdino/src/service/connection_manager.vala
View file

@ -8,6 +8,7 @@ namespace Dino {
public class ConnectionManager : Object {
public signal void stream_opened(Account account, XmppStream stream);
public signal void stream_attached_modules(Account account, XmppStream stream);
public signal void connection_state_changed(Account account, ConnectionState state);
public signal void connection_error(Account account, ConnectionError error);
@ -225,6 +226,7 @@ public class ConnectionManager : Object {
connections[account].established = new DateTime.now_utc();
stream.attached_modules.connect((stream) => {
stream_attached_modules(account, stream);
change_connection_state(account, ConnectionState.CONNECTED);
});
stream.get_module(Sasl.Module.IDENTITY).received_auth_failure.connect((stream, node) => {

5
libdino/src/service/stream_interactor.vala
View file

@ -11,7 +11,7 @@ public class StreamInteractor : Object {
public signal void account_removed(Account account);
public signal void stream_resumed(Account account, XmppStream stream);
public signal void stream_negotiated(Account account, XmppStream stream);
public signal void attached_modules(Account account, XmppStream stream);
public signal void stream_attached_modules(Account account, XmppStream stream);
public ModuleManager module_manager;
public ConnectionManager connection_manager;
@ -22,6 +22,9 @@ public class StreamInteractor : Object {
connection_manager = new ConnectionManager(module_manager);
connection_manager.stream_opened.connect(on_stream_opened);
connection_manager.stream_attached_modules.connect((account, stream) => {
stream_attached_modules(account, stream);
});
}
public void connect_account(Account account) {

4
plugins/CMakeLists.txt
View file

@ -2,6 +2,10 @@ if(DINO_PLUGIN_ENABLED_http-files)
add_subdirectory(http-files)
endif(DINO_PLUGIN_ENABLED_http-files)
if(DINO_PLUGIN_ENABLED_ice)
add_subdirectory(ice)
endif(DINO_PLUGIN_ENABLED_ice)
if(DINO_PLUGIN_ENABLED_openpgp)
add_subdirectory(gpgme-vala)
add_subdirectory(openpgp)

30
plugins/ice/CMakeLists.txt Normal file
View file

@ -0,0 +1,30 @@
find_packages(ICE_PACKAGES REQUIRED
Gee
GLib
GModule
GObject
GTK3
Nice
)
vala_precompile(ICE_VALA_C
SOURCES
src/plugin.vala
src/register_plugin.vala
CUSTOM_VAPIS
${CMAKE_BINARY_DIR}/exports/xmpp-vala.vapi
${CMAKE_BINARY_DIR}/exports/dino.vapi
${CMAKE_BINARY_DIR}/exports/qlite.vapi
PACKAGES
${ICE_PACKAGES}
OPTIONS
--vapidir=${CMAKE_CURRENT_SOURCE_DIR}/vapi
)
add_definitions(${VALA_CFLAGS})
add_library(ice SHARED ${ICE_VALA_C})
target_link_libraries(ice libdino ${ICE_PACKAGES})
set_target_properties(ice PROPERTIES PREFIX "")
set_target_properties(ice PROPERTIES LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/plugins/)
install(TARGETS ice ${PLUGIN_INSTALL})

30
plugins/ice/src/plugin.vala Normal file
View file

@ -0,0 +1,30 @@
using Gee;
using Nice;
using Xmpp;
namespace Dino.Plugins.Ice {
public class Plugin : RootInterface, Object {
public Dino.Application app;
public void registered(Dino.Application app) {
this.app = app;
app.stream_interactor.stream_attached_modules.connect((account, stream) => {
stream.get_module(Xmpp.Xep.Socks5Bytestreams.Module.IDENTITY).set_local_ip_address_handler(get_local_ip_addresses);
});
}
private Gee.List<string> get_local_ip_addresses() {
Gee.List<string> result = new ArrayList<string>();
foreach (string ip_address in Nice.interfaces_get_local_ips(false)) {
result.add(ip_address);
}
return result;
}
public void shutdown() {
// Nothing to do
}
}
}

3
plugins/ice/src/register_plugin.vala Normal file
View file

@ -0,0 +1,3 @@
public Type register_plugin(Module module) {
return typeof (Dino.Plugins.Ice.Plugin);
}

4
plugins/ice/vapi/metadata/Nice-0.1.metadata Normal file
View file

@ -0,0 +1,4 @@
Nice cheader_filename="nice.h"
Agent.new_reliable#constructor name="create_reliable"
PseudoTcpCallbacks#record skip
PseudoTcpSocket#class skip

385
plugins/ice/vapi/nice.vapi Normal file
View file

@ -0,0 +1,385 @@
/* nice.vapi generated by vapigen, do not modify. */
[CCode (cprefix = "Nice", gir_namespace = "Nice", gir_version = "0.1", lower_case_cprefix = "nice_")]
namespace Nice {
[CCode (cheader_filename = "nice.h", type_id = "nice_agent_get_type ()")]
public class Agent : GLib.Object {
[CCode (has_construct_function = false)]
public Agent (GLib.MainContext ctx, Nice.Compatibility compat);
public bool add_local_address (Nice.Address addr);
public uint add_stream (uint n_components);
[Version (since = "0.1.16")]
public async void close_async ();
[CCode (cname = "nice_agent_new_reliable", has_construct_function = false)]
[Version (since = "0.0.11")]
public Agent.create_reliable (GLib.MainContext ctx, Nice.Compatibility compat);
[Version (since = "0.1.6")]
public bool forget_relays (uint stream_id, uint component_id);
[CCode (has_construct_function = false)]
[Version (since = "0.1.15")]
public Agent.full (GLib.MainContext ctx, Nice.Compatibility compat, Nice.AgentOption flags);
public bool gather_candidates (uint stream_id);
[Version (since = "0.1.4")]
public string generate_local_candidate_sdp (Nice.Candidate candidate);
[Version (since = "0.1.4")]
public string generate_local_sdp ();
[Version (since = "0.1.4")]
public string generate_local_stream_sdp (uint stream_id, bool include_non_ice);
[Version (since = "0.1.8")]
public Nice.ComponentState get_component_state (uint stream_id, uint component_id);
public Nice.Candidate get_default_local_candidate (uint stream_id, uint component_id);
[Version (since = "0.1.5")]
public GLib.IOStream get_io_stream (uint stream_id, uint component_id);
public GLib.SList<Nice.Candidate> get_local_candidates (uint stream_id, uint component_id);
public bool get_local_credentials (uint stream_id, out string ufrag, out string pwd);
public GLib.SList<Nice.Candidate> get_remote_candidates (uint stream_id, uint component_id);
public bool get_selected_pair (uint stream_id, uint component_id, Nice.Candidate local, Nice.Candidate remote);
[Version (since = "0.1.5")]
public GLib.Socket? get_selected_socket (uint stream_id, uint component_id);
[Version (since = "0.1.4")]
public unowned string get_stream_name (uint stream_id);
[Version (since = "0.1.4")]
public Nice.Candidate parse_remote_candidate_sdp (uint stream_id, string sdp);
[Version (since = "0.1.4")]
public int parse_remote_sdp (string sdp);
[Version (since = "0.1.4")]
public GLib.SList<Nice.Candidate> parse_remote_stream_sdp (uint stream_id, string sdp, string ufrag, string pwd);
[Version (since = "0.1.16")]
public bool peer_candidate_gathering_done (uint stream_id);
[Version (since = "0.1.5")]
public ssize_t recv (uint stream_id, uint component_id, [CCode (array_length_cname = "buf_len", array_length_pos = 3.5, array_length_type = "gsize")] out unowned uint8[] buf, GLib.Cancellable? cancellable = null) throws GLib.Error;
[Version (since = "0.1.5")]
public int recv_messages (uint stream_id, uint component_id, [CCode (array_length_cname = "n_messages", array_length_pos = 3.5, array_length_type = "guint")] out unowned Nice.InputMessage[] messages, GLib.Cancellable? cancellable = null) throws GLib.Error;
[Version (since = "0.1.5")]
public int recv_messages_nonblocking (uint stream_id, uint component_id, [CCode (array_length_cname = "n_messages", array_length_pos = 3.5, array_length_type = "guint")] out unowned Nice.InputMessage[] messages, GLib.Cancellable? cancellable = null) throws GLib.Error;
[Version (since = "0.1.5")]
public ssize_t recv_nonblocking (uint stream_id, uint component_id, [CCode (array_length_cname = "buf_len", array_length_pos = 3.5, array_length_type = "gsize")] out unowned uint8[] buf, GLib.Cancellable? cancellable = null) throws GLib.Error;
public void remove_stream (uint stream_id);
public bool restart ();
[Version (since = "0.1.6")]
public bool restart_stream (uint stream_id);
public int send (uint stream_id, uint component_id, uint len, string buf);
[Version (since = "0.1.5")]
public int send_messages_nonblocking (uint stream_id, uint component_id, [CCode (array_length_cname = "n_messages", array_length_pos = 3.5, array_length_type = "guint")] Nice.OutputMessage[] messages, GLib.Cancellable? cancellable = null) throws GLib.Error;
public bool set_local_credentials (uint stream_id, string ufrag, string pwd);
public void set_port_range (uint stream_id, uint component_id, uint min_port, uint max_port);
public bool set_relay_info (uint stream_id, uint component_id, string server_ip, uint server_port, string username, string password, Nice.RelayType type);
public int set_remote_candidates (uint stream_id, uint component_id, GLib.SList<Nice.Candidate> candidates);
public bool set_remote_credentials (uint stream_id, string ufrag, string pwd);
public bool set_selected_pair (uint stream_id, uint component_id, string lfoundation, string rfoundation);
public bool set_selected_remote_candidate (uint stream_id, uint component_id, Nice.Candidate candidate);
[Version (since = "0.0.10")]
public void set_software (string software);
[Version (since = "0.1.4")]
public bool set_stream_name (uint stream_id, string name);
[Version (since = "0.0.9")]
public void set_stream_tos (uint stream_id, int tos);
[NoAccessorMethod]
[Version (since = "0.1.8")]
public bool bytestream_tcp { get; }
[NoAccessorMethod]
public uint compatibility { get; construct; }
[NoAccessorMethod]
public bool controlling_mode { get; set; }
[NoAccessorMethod]
[Version (since = "0.1.14")]
public bool force_relay { get; set; }
[NoAccessorMethod]
public bool full_mode { get; construct; }
[NoAccessorMethod]
[Version (since = "0.1.8")]
public bool ice_tcp { get; set; }
[NoAccessorMethod]
[Version (since = "0.1.16")]
public bool ice_trickle { get; set; }
[NoAccessorMethod]
[Version (since = "0.1.8")]
public bool ice_udp { get; set; }
[NoAccessorMethod]
[Version (since = "0.1.8")]
public bool keepalive_conncheck { get; set; }
[NoAccessorMethod]
public void* main_context { get; construct; }
[NoAccessorMethod]
public uint max_connectivity_checks { get; set; }
[NoAccessorMethod]
[Version (since = "0.0.4")]
public string proxy_ip { owned get; set; }
[NoAccessorMethod]
[Version (since = "0.0.4")]
public string proxy_password { owned get; set; }
[NoAccessorMethod]
[Version (since = "0.0.4")]
public uint proxy_port { get; set; }
[NoAccessorMethod]
[Version (since = "0.0.4")]
public uint proxy_type { get; set; }
[NoAccessorMethod]
[Version (since = "0.0.4")]
public string proxy_username { owned get; set; }
[NoAccessorMethod]
[Version (since = "0.0.11")]
public bool reliable { get; construct; }
[NoAccessorMethod]
[Version (since = "0.1.15")]
public uint stun_initial_timeout { get; set construct; }
[NoAccessorMethod]
[Version (since = "0.1.15")]
public uint stun_max_retransmissions { get; set construct; }
[NoAccessorMethod]
public uint stun_pacing_timer { get; set construct; }
[NoAccessorMethod]
[Version (since = "0.1.15")]
public uint stun_reliable_timeout { get; set construct; }
[NoAccessorMethod]
public string stun_server { owned get; set; }
[NoAccessorMethod]
public uint stun_server_port { get; set; }
[NoAccessorMethod]
public bool support_renomination { get; set; }
[NoAccessorMethod]
[Version (since = "0.0.7")]
public bool upnp { get; set construct; }
[NoAccessorMethod]
[Version (since = "0.0.7")]
public uint upnp_timeout { get; set construct; }
public signal void candidate_gathering_done (uint stream_id);
public signal void component_state_changed (uint stream_id, uint component_id, uint state);
public signal void initial_binding_request_received (uint stream_id);
[Version (deprecated = true, deprecated_since = "0.1.8")]
public signal void new_candidate (uint stream_id, uint component_id, string foundation);
[Version (since = "0.1.8")]
public signal void new_candidate_full (Nice.Candidate candidate);
[Version (deprecated = true, deprecated_since = "0.1.8")]
public signal void new_remote_candidate (uint stream_id, uint component_id, string foundation);
[Version (since = "0.1.8")]
public signal void new_remote_candidate_full (Nice.Candidate candidate);
[Version (deprecated = true, deprecated_since = "0.1.8")]
public signal void new_selected_pair (uint stream_id, uint component_id, string lfoundation, string rfoundation);
[Version (since = "0.1.8")]
public signal void new_selected_pair_full (uint stream_id, uint component_id, Nice.Candidate lcandidate, Nice.Candidate rcandidate);
[Version (since = "0.0.11")]
public signal void reliable_transport_writable (uint stream_id, uint component_id);
[Version (since = "0.1.5")]
public signal void streams_removed ([CCode (array_length = false, array_null_terminated = true)] uint[] stream_ids);
}
[CCode (cheader_filename = "nice.h", copy_function = "g_boxed_copy", free_function = "g_boxed_free", type_id = "nice_candidate_get_type ()")]
[Compact]
public class Candidate {
public Nice.Address addr;
public Nice.Address base_addr;
public uint component_id;
[CCode (array_length = false)]
public weak char foundation[33];
public weak string password;
public uint32 priority;
public void* sockptr;
public uint stream_id;
public Nice.CandidateTransport transport;
public Nice.TurnServer turn;
public Nice.CandidateType type;
public weak string username;
[CCode (has_construct_function = false)]
public Candidate (Nice.CandidateType type);
public Nice.Candidate copy ();
[Version (since = "0.1.15")]
public bool equal_target (Nice.Candidate candidate2);
public void free ();
}
[CCode (cheader_filename = "nice.h", has_type_id = false)]
public struct Address {
[CCode (cname = "s.addr")]
public void* s_addr;
[CCode (cname = "s.ip4")]
public void* s_ip4;
[CCode (cname = "s.ip6")]
public void* s_ip6;
public void copy_to_sockaddr (void* sin);
public bool equal (Nice.Address b);
[Version (since = "0.1.8")]
public bool equal_no_port (Nice.Address b);
public void free ();
public uint get_port ();
public void init ();
public int ip_version ();
public bool is_private ();
public bool is_valid ();
public void set_from_sockaddr (void* sin);
public bool set_from_string (string str);
public void set_ipv4 (uint32 addr_ipv4);
public void set_ipv6 (uint8 addr_ipv6);
public void set_port (uint port);
public void to_string (string dst);
}
[CCode (cheader_filename = "nice.h", has_type_id = false)]
[Version (since = "0.1.5")]
public struct InputMessage {
[CCode (array_length_cname = "n_buffers")]
public weak GLib.InputVector[] buffers;
public int n_buffers;
public Nice.Address from;
public size_t length;
}
[CCode (cheader_filename = "nice.h", has_type_id = false)]
[Version (since = "0.1.5")]
public struct OutputMessage {
[CCode (array_length_cname = "n_buffers")]
public weak GLib.OutputVector[] buffers;
public int n_buffers;
}
[CCode (cheader_filename = "nice.h", cname = "TurnServer", has_type_id = false)]
public struct TurnServer {
public int ref_count;
public Nice.Address server;
public weak string username;
public weak string password;
public Nice.RelayType type;
}
[CCode (cheader_filename = "nice.h", cprefix = "NICE_AGENT_OPTION_", has_type_id = false)]
[Flags]
[Version (since = "0.1.15")]
public enum AgentOption {
REGULAR_NOMINATION,
RELIABLE,
LITE_MODE,
ICE_TRICKLE,
SUPPORT_RENOMINATION
}
[CCode (cheader_filename = "nice.h", cprefix = "NICE_CANDIDATE_TRANSPORT_", has_type_id = false)]
public enum CandidateTransport {
UDP,
TCP_ACTIVE,
TCP_PASSIVE,
TCP_SO
}
[CCode (cheader_filename = "nice.h", cprefix = "NICE_CANDIDATE_TYPE_", has_type_id = false)]
public enum CandidateType {
HOST,
SERVER_REFLEXIVE,
PEER_REFLEXIVE,
RELAYED
}
[CCode (cheader_filename = "nice.h", cprefix = "NICE_COMPATIBILITY_", has_type_id = false)]
public enum Compatibility {
RFC5245,
DRAFT19,
GOOGLE,
MSN,
WLM2009,
OC2007,
OC2007R2,
LAST
}
[CCode (cheader_filename = "nice.h", cprefix = "NICE_COMPONENT_STATE_", has_type_id = false)]
public enum ComponentState {
DISCONNECTED,
GATHERING,
CONNECTING,
CONNECTED,
READY,
FAILED,
LAST;
[Version (since = "0.1.6")]
public unowned string to_string ();
}
[CCode (cheader_filename = "nice.h", cprefix = "NICE_COMPONENT_TYPE_", has_type_id = false)]
public enum ComponentType {
RTP,
RTCP
}
[CCode (cheader_filename = "nice.h", cprefix = "NICE_NOMINATION_MODE_", has_type_id = false)]
[Version (since = "0.1.15")]
public enum NominationMode {
REGULAR,
AGGRESSIVE
}
[CCode (cheader_filename = "nice.h", cprefix = "NICE_PROXY_TYPE_", has_type_id = false)]
[Version (since = "0.0.4")]
public enum ProxyType {
NONE,
SOCKS5,
HTTP,
LAST
}
[CCode (cheader_filename = "nice.h", cname = "PseudoTcpDebugLevel", cprefix = "PSEUDO_TCP_DEBUG_", has_type_id = false)]
[Version (since = "0.0.11")]
public enum PseudoTcpDebugLevel {
NONE,
NORMAL,
VERBOSE
}
[CCode (cheader_filename = "nice.h", cname = "PseudoTcpShutdown", cprefix = "PSEUDO_TCP_SHUTDOWN_", has_type_id = false)]
[Version (since = "0.1.8")]
public enum PseudoTcpShutdown {
RD,
WR,
RDWR
}
[CCode (cheader_filename = "nice.h", cname = "PseudoTcpState", cprefix = "PSEUDO_TCP_", has_type_id = false)]
[Version (since = "0.0.11")]
public enum PseudoTcpState {
LISTEN,
SYN_SENT,
SYN_RECEIVED,
ESTABLISHED,
CLOSED,
FIN_WAIT_1,
FIN_WAIT_2,
CLOSING,
TIME_WAIT,
CLOSE_WAIT,
LAST_ACK
}
[CCode (cheader_filename = "nice.h", cname = "PseudoTcpWriteResult", cprefix = "WR_", has_type_id = false)]
[Version (since = "0.0.11")]
public enum PseudoTcpWriteResult {
SUCCESS,
TOO_LARGE,
FAIL
}
[CCode (cheader_filename = "nice.h", cprefix = "NICE_RELAY_TYPE_TURN_", has_type_id = false)]
public enum RelayType {
UDP,
TCP,
TLS
}
[CCode (cheader_filename = "nice.h", instance_pos = 5.9)]
public delegate void AgentRecvFunc (Nice.Agent agent, uint stream_id, uint component_id, uint len, string buf);
[CCode (cheader_filename = "nice.h", cname = "NICE_AGENT_MAX_REMOTE_CANDIDATES")]
public const int AGENT_MAX_REMOTE_CANDIDATES;
[CCode (cheader_filename = "nice.h", cname = "NICE_CANDIDATE_DIRECTION_MS_PREF_ACTIVE")]
public const int CANDIDATE_DIRECTION_MS_PREF_ACTIVE;
[CCode (cheader_filename = "nice.h", cname = "NICE_CANDIDATE_DIRECTION_MS_PREF_PASSIVE")]
public const int CANDIDATE_DIRECTION_MS_PREF_PASSIVE;
[CCode (cheader_filename = "nice.h", cname = "NICE_CANDIDATE_MAX_FOUNDATION")]
public const int CANDIDATE_MAX_FOUNDATION;
[CCode (cheader_filename = "nice.h", cname = "NICE_CANDIDATE_TRANSPORT_MS_PREF_TCP")]
public const int CANDIDATE_TRANSPORT_MS_PREF_TCP;
[CCode (cheader_filename = "nice.h", cname = "NICE_CANDIDATE_TRANSPORT_MS_PREF_UDP")]
public const int CANDIDATE_TRANSPORT_MS_PREF_UDP;
[CCode (cheader_filename = "nice.h", cname = "NICE_CANDIDATE_TYPE_PREF_HOST")]
public const int CANDIDATE_TYPE_PREF_HOST;
[CCode (cheader_filename = "nice.h", cname = "NICE_CANDIDATE_TYPE_PREF_NAT_ASSISTED")]
public const int CANDIDATE_TYPE_PREF_NAT_ASSISTED;
[CCode (cheader_filename = "nice.h", cname = "NICE_CANDIDATE_TYPE_PREF_PEER_REFLEXIVE")]
public const int CANDIDATE_TYPE_PREF_PEER_REFLEXIVE;
[CCode (cheader_filename = "nice.h", cname = "NICE_CANDIDATE_TYPE_PREF_RELAYED")]
public const int CANDIDATE_TYPE_PREF_RELAYED;
[CCode (cheader_filename = "nice.h", cname = "NICE_CANDIDATE_TYPE_PREF_RELAYED_UDP")]
public const int CANDIDATE_TYPE_PREF_RELAYED_UDP;
[CCode (cheader_filename = "nice.h", cname = "NICE_CANDIDATE_TYPE_PREF_SERVER_REFLEXIVE")]
public const int CANDIDATE_TYPE_PREF_SERVER_REFLEXIVE;
[CCode (cheader_filename = "nice.h")]
public static void debug_disable (bool with_stun);
[CCode (cheader_filename = "nice.h")]
public static void debug_enable (bool with_stun);
[CCode (cheader_filename = "nice.h")]
public static string? interfaces_get_ip_for_interface (string interface_name);
[CCode (cheader_filename = "nice.h")]
public static GLib.List<string> interfaces_get_local_interfaces ();
[CCode (cheader_filename = "nice.h")]
public static GLib.List<string> interfaces_get_local_ips (bool include_loopback);
[CCode (cheader_filename = "nice.h", cname = "pseudo_tcp_set_debug_level")]
[Version (since = "0.0.11")]
public static void pseudo_tcp_set_debug_level (Nice.PseudoTcpDebugLevel level);
}

17
xmpp-vala/src/module/xep/0065_socks5_bytestreams.vala
View file

@ -18,21 +18,34 @@ public class Proxy : Object {
}
}
public delegate Gee.List<string> GetLocalIpAddresses();
public class Module : XmppStreamModule, Iq.Handler {
public static Xmpp.ModuleIdentity<Module> IDENTITY = new Xmpp.ModuleIdentity<Module>(NS_URI, "0065_socks5_bytestreams");
private GetLocalIpAddresses? get_local_ip_addresses_impl = null;
public override void attach(XmppStream stream) {
stream.add_flag(new Flag());
query_availability.begin(stream);
}
public override void detach(XmppStream stream) { }
public async void on_iq_set(XmppStream stream, Iq.Stanza iq) { }
public Gee.List<Proxy> get_proxies(XmppStream stream) {
return stream.get_flag(Flag.IDENTITY).proxies;
}
public void set_local_ip_address_handler(owned GetLocalIpAddresses get_local_ip_addresses) {
get_local_ip_addresses_impl = (owned)get_local_ip_addresses;
}
public Gee.List<string> get_local_ip_addresses() {
if (get_local_ip_addresses_impl == null) {
return Gee.List.empty();
}
return get_local_ip_addresses_impl();
}
private async void query_availability(XmppStream stream) {
ServiceDiscovery.ItemsResult? items_result = yield stream.get_module(ServiceDiscovery.Module.IDENTITY).request_items(stream, stream.remote_name);
if (items_result == null) return;

217
xmpp-vala/src/module/xep/0260_jingle_socks5_bytestreams.vala
View file

@ -5,6 +5,7 @@ using Xmpp.Xep;
namespace Xmpp.Xep.JingleSocks5Bytestreams {
private const string NS_URI = "urn:xmpp:jingle:transports:s5b:1";
private const int NEGOTIATION_TIMEOUT = 3;
public class Module : Jingle.Transport, XmppStreamModule {
public static Xmpp.ModuleIdentity<Module> IDENTITY = new Xmpp.ModuleIdentity<Module>(NS_URI, "0260_jingle_socks5_bytestreams");
@ -33,7 +34,7 @@ public class Module : Jingle.Transport, XmppStreamModule {
public int transport_priority() {
return 1;
}
private Gee.List<Candidate> get_local_candidates(XmppStream stream) {
private Gee.List<Candidate> get_proxies(XmppStream stream) {
Gee.List<Candidate> result = new ArrayList<Candidate>();
int i = 1 << 15;
foreach (Socks5Bytestreams.Proxy proxy in stream.get_module(Socks5Bytestreams.Module.IDENTITY).get_proxies(stream)) {
@ -42,18 +43,59 @@ public class Module : Jingle.Transport, XmppStreamModule {
}
return result;
}
private Gee.List<Candidate> start_local_listeners(XmppStream stream, Jid local_full_jid, string dstaddr, out LocalListener? local_listener) {
Gee.List<Candidate> result = new ArrayList<Candidate>();
SocketListener listener = new SocketListener();
int i = 1 << 15;
foreach (string ip_address in stream.get_module(Socks5Bytestreams.Module.IDENTITY).get_local_ip_addresses()) {
InetSocketAddress addr = new InetSocketAddress.from_string(ip_address, 0);
SocketAddress effective_any;
string cid = random_uuid();
try {
listener.add_address(addr, SocketType.STREAM, SocketProtocol.DEFAULT, new StringWrapper(cid), out effective_any);
} catch (Error e) {
continue;
}
InetSocketAddress effective = (InetSocketAddress)effective_any;
result.add(new Candidate.build(cid, ip_address, local_full_jid, (int)effective.port, i, CandidateType.DIRECT));
i -= 1;
}
if (!result.is_empty) {
local_listener = new LocalListener(listener, dstaddr);
local_listener.start();
} else {
local_listener = new LocalListener.empty();
}
return result;
}
private void select_candidates(XmppStream stream, Jid local_full_jid, string dstaddr, Parameters result) {
result.local_candidates.add_all(get_proxies(stream));
result.local_candidates.add_all(start_local_listeners(stream, local_full_jid, dstaddr, out result.listener));
result.local_candidates.sort((c1, c2) => {
if (c1.priority < c2.priority) { return 1; }
if (c1.priority > c2.priority) { return -1; }
return 0;
});
}
public Jingle.TransportParameters create_transport_parameters(XmppStream stream, Jid local_full_jid, Jid peer_full_jid) {
Parameters result = new Parameters.create(local_full_jid, peer_full_jid, random_uuid());
result.local_candidates.add_all(get_local_candidates(stream));
string dstaddr = calculate_dstaddr(result.sid, local_full_jid, peer_full_jid);
select_candidates(stream, local_full_jid, dstaddr, result);
return result;
}
public Jingle.TransportParameters parse_transport_parameters(XmppStream stream, Jid local_full_jid, Jid peer_full_jid, StanzaNode transport) throws Jingle.IqError {
Parameters result = Parameters.parse(local_full_jid, peer_full_jid, transport);
result.local_candidates.add_all(get_local_candidates(stream));
string dstaddr = calculate_dstaddr(result.sid, local_full_jid, peer_full_jid);
select_candidates(stream, local_full_jid, dstaddr, result);
return result;
}
}
private string calculate_dstaddr(string sid, Jid first_jid, Jid second_jid) {
string hashed = sid + first_jid.to_string() + second_jid.to_string();
return Checksum.compute_for_string(ChecksumType.SHA1, hashed);
}
public enum CandidateType {
ASSISTED,
DIRECT,
@ -156,6 +198,142 @@ bool bytes_equal(uint8[] a, uint8[] b) {
return true;
}
class StringWrapper : GLib.Object {
public string str { get; set; }
public StringWrapper(string str) {
this.str = str;
}
}
class LocalListener {
SocketListener? inner;
string dstaddr;
HashMap<string, SocketConnection> connections = new HashMap<string, SocketConnection>();
public LocalListener(SocketListener inner, string dstaddr) {
this.inner = inner;
this.dstaddr = dstaddr;
}
public LocalListener.empty() {
this.inner = null;
this.dstaddr = "";
}
public void start() {
if (inner == null) {
return;
}
run.begin();
}
async void run() {
while (true) {
Object cid;
SocketConnection conn;
try {
conn = yield inner.accept_async(null, out cid);
} catch (Error e) {
break;
}
handle_conn.begin(((StringWrapper)cid).str, conn);
}
}
async void handle_conn(string cid, SocketConnection conn) {
conn.socket.timeout = NEGOTIATION_TIMEOUT;
size_t read;
size_t written;
uint8[] read_buffer = new uint8[1024];
ByteArray write_buffer = new ByteArray();
try {
// 05 SOCKS version 5
// ?? number of authentication methods
yield conn.input_stream.read_all_async(read_buffer[0:2], GLib.Priority.DEFAULT, null, out read);
if (read != 2) {
throw new IOError.PROXY_FAILED("wanted client hello message consisting of 2 bytes, only got %d bytes".printf((int)read));
}
if (read_buffer[0] != 0x05 || read_buffer[1] == 0) {
throw new IOError.PROXY_FAILED("wanted 05 xx, got %02x %02x".printf(read_buffer[0], read_buffer[1]));
}
int num_auth_methods = read_buffer[1];
// ?? authentication method (num_auth_methods times)
yield conn.input_stream.read_all_async(read_buffer[0:num_auth_methods], GLib.Priority.DEFAULT, null, out read);
bool found_null_auth = false;
for (int i = 0; i < read; i++) {
if (read_buffer[i] == 0x00) {
found_null_auth = true;
break;
}
}
if (read != num_auth_methods || !found_null_auth) {
throw new IOError.PROXY_FAILED("peer didn't offer null auth");
}
// 05 SOCKS version 5
// 00 nop authentication
yield conn.output_stream.write_all_async({0x05, 0x00}, GLib.Priority.DEFAULT, null, out written);
// 05 SOCKS version 5
// 01 connect
// 00 reserved
// 03 address type: domain name
// ?? length of the domain
// .. domain
// 00 port 0 (upper half)
// 00 port 0 (lower half)
yield conn.input_stream.read_all_async(read_buffer[0:4], GLib.Priority.DEFAULT, null, out read);
if (read != 4) {
throw new IOError.PROXY_FAILED("wanted connect message consisting of 4 bytes, only got %d bytes".printf((int)read));
}
if (read_buffer[0] != 0x05 || read_buffer[1] != 0x01 || read_buffer[3] != 0x03) {
throw new IOError.PROXY_FAILED("wanted 05 00 ?? 03, got %02x %02x %02x %02x".printf(read_buffer[0], read_buffer[1], read_buffer[2], read_buffer[3]));
}
yield conn.input_stream.read_all_async(read_buffer[0:1], GLib.Priority.DEFAULT, null, out read);
if (read != 1) {
throw new IOError.PROXY_FAILED("wanted length of dstaddr consisting of 1 byte, only got %d bytes".printf((int)read));
}
int dstaddr_len = read_buffer[0];
yield conn.input_stream.read_all_async(read_buffer[0:dstaddr_len+2], GLib.Priority.DEFAULT, null, out read);
if (read != dstaddr_len + 2) {
throw new IOError.PROXY_FAILED("wanted dstaddr and port consisting of %d bytes, got %d bytes".printf(dstaddr_len + 2, (int)read));
}
if (!bytes_equal(read_buffer[0:dstaddr_len], dstaddr.data)) {
string repr = ((string)read_buffer[0:dstaddr.length]).make_valid().escape();
throw new IOError.PROXY_FAILED(@"wanted dstaddr $(dstaddr), got $(repr)");
}
if (read_buffer[dstaddr_len] != 0x00 || read_buffer[dstaddr_len + 1] != 0x00) {
throw new IOError.PROXY_FAILED("wanted 00 00, got %02x %02x".printf(read_buffer[dstaddr_len], read_buffer[dstaddr_len + 1]));
}
// 05 SOCKS version 5
// 00 success
// 00 reserved
// 03 address type: domain name
// ?? length of the domain
// .. domain
// 00 port 0 (upper half)
// 00 port 0 (lower half)
write_buffer.append({0x05, 0x00, 0x00, 0x03});
write_buffer.append({(uint8)dstaddr.length});
write_buffer.append(dstaddr.data);
write_buffer.append({0x00, 0x00});
yield conn.output_stream.write_all_async(write_buffer.data, GLib.Priority.DEFAULT, null, out written);
conn.socket.timeout = 0;
if (!connections.has_key(cid)) {
connections[cid] = conn;
}
} catch (Error e) {
}
}
public SocketConnection? get_connection(string cid) {
if (!connections.has_key(cid)) {
return null;
}
return connections[cid];
}
}
class Parameters : Jingle.TransportParameters, Object {
public Jingle.Role role { get; private set; }
public string sid { get; private set; }
@ -163,6 +341,7 @@ class Parameters : Jingle.TransportParameters, Object {
public string local_dstaddr { get; private set; }
public Gee.List<Candidate> local_candidates = new ArrayList<Candidate>();
public Gee.List<Candidate> remote_candidates = new ArrayList<Candidate>();
public LocalListener? listener = null;
Jid local_full_jid;
Jid peer_full_jid;
@ -179,10 +358,6 @@ class Parameters : Jingle.TransportParameters, Object {
SourceFunc waiting_for_activation_callback;
bool waiting_for_activation_error = false;
private static string calculate_dstaddr(string sid, Jid first_jid, Jid second_jid) {
string hashed = sid + first_jid.to_string() + second_jid.to_string();
return Checksum.compute_for_string(ChecksumType.SHA1, hashed);
}
private Parameters(Jingle.Role role, string sid, Jid local_full_jid, Jid peer_full_jid, string? remote_dstaddr) {
this.role = role;
this.sid = sid;
@ -355,7 +530,21 @@ class Parameters : Jingle.TransportParameters, Object {
wait_for_remote_activation.begin(local_selected_candidate, local_selected_candidate_conn);
}
} else {
connect_to_local_candidate.begin(remote_selected_candidate);
if (remote_selected_candidate.type_ == CandidateType.DIRECT) {
Jingle.Session? strong = session;
if (strong == null) {
return;
}
SocketConnection? conn = listener.get_connection(remote_selected_candidate.cid);
if (conn == null) {
// Remote hasn't actually connected to us?!
strong.set_transport_connection(hack, null);
return;
}
strong.set_transport_connection(hack, conn);
} else {
connect_to_local_candidate.begin(remote_selected_candidate);
}
}
}
public async void wait_for_remote_activation(Candidate candidate, SocketConnection conn) {
@ -425,7 +614,7 @@ class Parameters : Jingle.TransportParameters, Object {
}
}
public async SocketConnection connect_to_socks5(Candidate candidate, string dstaddr) throws Error {
SocketClient socket_client = new SocketClient() { timeout=3 };
SocketClient socket_client = new SocketClient() { timeout=NEGOTIATION_TIMEOUT };
string address = @"[$(candidate.host)]:$(candidate.port)";
debug("Connecting to SOCKS5 server at %s", address);
@ -444,7 +633,10 @@ class Parameters : Jingle.TransportParameters, Object {
yield conn.input_stream.read_all_async(read_buffer[0:2], GLib.Priority.DEFAULT, null, out read);
// 05 SOCKS version 5
// 01 success
// 00 nop authentication
if (read != 2) {
throw new IOError.PROXY_FAILED("wanted 05 00, only got %d bytes".printf((int)read));
}
if (read_buffer[0] != 0x05 || read_buffer[1] != 0x00) {
throw new IOError.PROXY_FAILED("wanted 05 00, got %02x %02x".printf(read_buffer[0], read_buffer[1]));
}
@ -472,6 +664,9 @@ class Parameters : Jingle.TransportParameters, Object {
// .. domain
// 00 port 0 (upper half)
// 00 port 0 (lower half)
if (read != write_buffer.len) {
throw new IOError.PROXY_FAILED("wanted server success response consisting of %d bytes, only got %d bytes".printf((int)write_buffer.len, (int)read));
}
if (read_buffer[0] != 0x05 || read_buffer[1] != 0x00 || read_buffer[3] != 0x03) {
throw new IOError.PROXY_FAILED("wanted 05 00 ?? 03, got %02x %02x %02x %02x".printf(read_buffer[0], read_buffer[1], read_buffer[2], read_buffer[3]));
}
@ -486,7 +681,7 @@ class Parameters : Jingle.TransportParameters, Object {
throw new IOError.PROXY_FAILED("wanted port 00 00, got %02x %02x".printf(read_buffer[5+dstaddr.length], read_buffer[5+dstaddr.length+1]));
}
conn.get_socket().set_timeout(0);
conn.socket.timeout = 0;
return conn;
}