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-rw-r--r--shard/lib/app/identity.ex2
-rw-r--r--shard/lib/application.ex2
-rw-r--r--shard/lib/keys.ex9
-rw-r--r--shard/lib/manager.ex52
-rw-r--r--shard/lib/net/tcpconn.ex4
5 files changed, 39 insertions, 30 deletions
diff --git a/shard/lib/app/identity.ex b/shard/lib/app/identity.ex
index de39c6d..6909ad3 100644
--- a/shard/lib/app/identity.ex
+++ b/shard/lib/app/identity.ex
@@ -105,7 +105,7 @@ defmodule SApp.Identity do
{true, st2} ->
Shard.Manager.save_state(state.id, st2)
state = put_in(state.state, st2)
- bcast_state(state, [conn_pid])
+ bcast_state(state, [GenServer.call(conn_pid, :get_peer_info)])
state
{false, _} ->
state
diff --git a/shard/lib/application.ex b/shard/lib/application.ex
index 9c1577a..6e2c7d5 100644
--- a/shard/lib/application.ex
+++ b/shard/lib/application.ex
@@ -16,6 +16,8 @@ defmodule Shard.Application do
# Define workers and child supervisors to be supervised
children = [
Shard.Keys,
+ { Task, fn -> Shard.Keys.get_any_identity end },
+
{ DynamicSupervisor, strategy: :one_for_one, name: Shard.DynamicSupervisor },
# Networking
diff --git a/shard/lib/keys.ex b/shard/lib/keys.ex
index d021242..b810078 100644
--- a/shard/lib/keys.ex
+++ b/shard/lib/keys.ex
@@ -71,7 +71,7 @@ defmodule Shard.Keys do
def sign(pk, bin) do
case :dets.lookup @key_db, pk do
[{^pk, sk}] ->
- :enacl.sign(bin, sk)
+ {:ok, :enacl.sign(bin, sk)}
_ -> {:error, :not_found}
end
end
@@ -114,7 +114,7 @@ defmodule Shard.Keys do
def sign_detached(pk, bin) do
case :dets.lookup @key_db, pk do
[{^pk, sk}] ->
- :enacl.sign_detached(bin, sk)
+ {:ok, :enacl.sign_detached(bin, sk)}
_ -> {:error, :not_found}
end
end
@@ -126,7 +126,10 @@ defmodule Shard.Keys do
"""
def verify(pk, bin, sign) do
if valid_identity_pk? pk do
- :enacl.sign_verify_detached(sign, bin, pk)
+ case :enacl.sign_verify_detached(sign, bin, pk) do
+ {:ok, _} -> :ok
+ err -> err
+ end
else
{:error, :invalid_pk_suffix}
end
diff --git a/shard/lib/manager.ex b/shard/lib/manager.ex
index dd602bf..3f5416d 100644
--- a/shard/lib/manager.ex
+++ b/shard/lib/manager.ex
@@ -51,10 +51,11 @@ defmodule Shard.Manager do
- :outbox (not persistent)
Multi-list of
- { dest, auth_info, message, time_inserted }
+ { dest_peer_info, message, time_inserted }
dest := peer_info
- auth_info := nil | { his_pk, my_pk_list }
+
+ No support for messages on authenticated channels
"""
@@ -137,11 +138,11 @@ defmodule Shard.Manager do
id_list = (for [{id, _, _}] <- :dets.match(@shard_db, :"$1"), do: id)
GenServer.cast(pid, {:send_msg, {:interested, id_list}})
- # # Send queued messages
- # for {_, msg, _} <- :ets.lookup(state.outbox, pk) do
- # GenServer.cast(pid, {:send_msg, msg})
- # end
- # :ets.delete(state.outbox, pk)
+ # Send queued messages
+ for {_, msg, _} <- :ets.lookup(state.outbox, peer_info) do
+ GenServer.cast(pid, {:send_msg, msg})
+ end
+ :ets.delete(state.outbox, peer_info)
{:noreply, state}
end
@@ -151,19 +152,17 @@ defmodule Shard.Manager do
{:noreply, state}
end
- # def handle_cast({:connect_and_send, peer_id, msg}, state) do
- # case :dets.lookup(@peer_db, peer_id) do
- # [{^peer_id, nil, ip, port}] ->
- # add_peer(ip, port, state)
- # currtime = System.os_time :second
- # :ets.insert(state.outbox, {peer_id, msg, currtime})
- # outbox_cleanup = [ {{:_, :_, :'$1'}, [{:<, :'$1', currtime - 60}], [true]} ]
- # :ets.select_delete(state.outbox, outbox_cleanup)
- # _ ->
- # Logger.info "Dropping message #{inspect msg} for peer #{inspect peer_id}: peer not in database"
- # end
- # {:noreply, state}
- # end
+ def handle_cast({:connect_and_send, peer_info, msg}, state) do
+ case peer_info do
+ {:tcp4, ip, port} ->
+ add_peer(ip, port, state)
+ currtime = System.os_time :second
+ :ets.insert(state.outbox, {peer_info, msg, currtime})
+ outbox_cleanup = [ {{:_, :_, :'$1'}, [{:<, :'$1', currtime - 60}], [true]} ]
+ :ets.select_delete(state.outbox, outbox_cleanup)
+ end
+ {:noreply, state}
+ end
def handle_cast({:try_connect, pk_list}, state) do
for pk <- pk_list do
@@ -249,8 +248,13 @@ defmodule Shard.Manager do
Send message to a peer specified by peer info.
Opens a connection if necessary.
"""
- def send(_peer_info, _msg) do
- # TODO
+ def send(peer_info, msg) do
+ case :ets.lookup(:connections, peer_info) do
+ [{^peer_info, pid, _auth}|_] ->
+ GenServer.cast(pid, {:send_msg, msg})
+ [] ->
+ GenServer.cast(__MODULE__, {:connect_and_send, peer_info, msg})
+ end
end
@doc"""
@@ -273,7 +277,7 @@ defmodule Shard.Manager do
Return the list of all peer info for peers that are interested in a certain shard
"""
def get_shard_peers(shard_id) do
- for [x] <- :dets.match(@peer_db, {shard_id, :"$1"}), do: x
+ for {_, peer_info} <- :dets.lookup(@peer_db, shard_id), do: peer_info
end
@doc"""
@@ -326,6 +330,6 @@ defmodule Shard.Manager do
Return the list of all connected peers
"""
def list_connections() do
- for [x] <- :dets.match(:connections, :"$1"), do: x
+ for [x] <- :ets.match(:connections, :"$1"), do: x
end
end
diff --git a/shard/lib/net/tcpconn.ex b/shard/lib/net/tcpconn.ex
index aaab9e1..5dbf42b 100644
--- a/shard/lib/net/tcpconn.ex
+++ b/shard/lib/net/tcpconn.ex
@@ -118,7 +118,7 @@ defmodule SNet.TCPConn do
{:ok, srv_accept} = :gen_tcp.recv(socket, 0)
key4 = :crypto.hash(:sha256, net_key <> sh_sec_ab <> sh_sec_aB <> sh_sec_Ab)
{:ok, det_sign_B} = :enacl.secretbox_open(srv_accept, <<0 :: 24*8>>, key4)
- true = :enacl.sign_verify_detached(det_sign_B, net_key <> det_sign_A <> cli_longterm_pk <> :crypto.hash(:sha256, sh_sec_ab), srv_longterm_pk)
+ {:ok, _} = :enacl.sign_verify_detached(det_sign_B, net_key <> det_sign_A <> cli_longterm_pk <> :crypto.hash(:sha256, sh_sec_ab), srv_longterm_pk)
# Derive secrets and initial nonces for stream communication
secret_common = :crypto.hash(:sha256, :crypto.hash(:sha256, net_key <> sh_sec_ab <> sh_sec_aB <> sh_sec_Ab))
@@ -219,7 +219,7 @@ defmodule SNet.TCPConn do
96 = byte_size cli_auth_plain
det_sign_A = :binary.part(cli_auth_plain, 0, 64)
cli_longterm_pk = :binary.part(cli_auth_plain, 64, 32)
- true = :enacl.sign_verify_detached(det_sign_A, net_key <> srv_longterm_pk <> :crypto.hash(:sha256, sh_sec_ab), cli_longterm_pk)
+ {:ok, _} = :enacl.sign_verify_detached(det_sign_A, net_key <> srv_longterm_pk <> :crypto.hash(:sha256, sh_sec_ab), cli_longterm_pk)
# Shared secret derivation
sh_sec_Ab = :enacl.curve25519_scalarmult(srv_eph_sk, :enacl.crypto_sign_ed25519_public_to_curve25519(cli_longterm_pk))
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-09 16:59:50 +0000