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authorIngela Anderton Andin <[email protected]>2017-10-17 16:21:15 +0200
committerIngela Anderton Andin <[email protected]>2017-10-17 16:21:15 +0200
commit290c920aca365968ebaa10a63e25fd2579bce408 (patch)
tree42b697cfa0b502741758865f38eed4ed2941fbb4 /lib/ssl/src
parent82489e794c015742f8879438394fa8a2f4c6fd1b (diff)
parent7d05f57c2182626aaaee4a7c164d4bb6a7b9e38c (diff)
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Merge branch 'ingela/ssl/extend-hostname-check/OTP-14632/OTP-14655' into maint
* ingela/ssl/extend-hostname-check/OTP-14632/OTP-14655: ssl: Fix test cases to work on all test platforms public_key: Fix dialyzer spec ssl: Sessions must be registered with SNI if exists ssl: Extend hostname check to fallback to checking IP-address public_key, ssl: Handles keys so that APIs are preserved correctly
Diffstat (limited to 'lib/ssl/src')
-rw-r--r--lib/ssl/src/ssl.erl2
-rw-r--r--lib/ssl/src/ssl_certificate.erl38
-rw-r--r--lib/ssl/src/ssl_connection.erl11
-rw-r--r--lib/ssl/src/ssl_handshake.erl18
4 files changed, 54 insertions, 15 deletions
diff --git a/lib/ssl/src/ssl.erl b/lib/ssl/src/ssl.erl
index 62da498e76..bb493ed14c 100644
--- a/lib/ssl/src/ssl.erl
+++ b/lib/ssl/src/ssl.erl
@@ -1003,7 +1003,7 @@ validate_option(server_name_indication = Opt, Value) when is_list(Value) ->
validate_option(server_name_indication, undefined = Value) ->
Value;
validate_option(server_name_indication, disable) ->
- undefined;
+ disable;
validate_option(sni_hosts, []) ->
[];
diff --git a/lib/ssl/src/ssl_certificate.erl b/lib/ssl/src/ssl_certificate.erl
index 0dd5e5c5cf..a3333d35e9 100644
--- a/lib/ssl/src/ssl_certificate.erl
+++ b/lib/ssl/src/ssl_certificate.erl
@@ -138,13 +138,8 @@ validate(_, {bad_cert, _} = Reason, _) ->
{fail, Reason};
validate(_, valid, UserState) ->
{valid, UserState};
-validate(Cert, valid_peer, UserState = {client, _,_, Hostname, _, _}) when Hostname =/= undefined ->
- case public_key:pkix_verify_hostname(Cert, [{dns_id, Hostname}]) of
- true ->
- {valid, UserState};
- false ->
- {fail, {bad_cert, hostname_check_failed}}
- end;
+validate(Cert, valid_peer, UserState = {client, _,_, Hostname, _, _}) when Hostname =/= disable ->
+ verify_hostname(Hostname, Cert, UserState);
validate(_, valid_peer, UserState) ->
{valid, UserState}.
@@ -337,3 +332,32 @@ new_trusteded_chain(DerCert, [_ | Rest]) ->
new_trusteded_chain(DerCert, Rest);
new_trusteded_chain(_, []) ->
unknown_ca.
+
+verify_hostname({fallback, Hostname}, Cert, UserState) when is_list(Hostname) ->
+ case public_key:pkix_verify_hostname(Cert, [{dns_id, Hostname}]) of
+ true ->
+ {valid, UserState};
+ false ->
+ case public_key:pkix_verify_hostname(Cert, [{ip, Hostname}]) of
+ true ->
+ {valid, UserState};
+ false ->
+ {fail, {bad_cert, hostname_check_failed}}
+ end
+ end;
+
+verify_hostname({fallback, Hostname}, Cert, UserState) ->
+ case public_key:pkix_verify_hostname(Cert, [{ip, Hostname}]) of
+ true ->
+ {valid, UserState};
+ false ->
+ {fail, {bad_cert, hostname_check_failed}}
+ end;
+
+verify_hostname(Hostname, Cert, UserState) ->
+ case public_key:pkix_verify_hostname(Cert, [{dns_id, Hostname}]) of
+ true ->
+ {valid, UserState};
+ false ->
+ {fail, {bad_cert, hostname_check_failed}}
+ end.
diff --git a/lib/ssl/src/ssl_connection.erl b/lib/ssl/src/ssl_connection.erl
index 32a990f5b7..2146a9272e 100644
--- a/lib/ssl/src/ssl_connection.erl
+++ b/lib/ssl/src/ssl_connection.erl
@@ -496,12 +496,13 @@ certify(internal, #certificate{},
certify(internal, #certificate{} = Cert,
#state{negotiated_version = Version,
role = Role,
+ host = Host,
cert_db = CertDbHandle,
cert_db_ref = CertDbRef,
crl_db = CRLDbInfo,
ssl_options = Opts} = State, Connection) ->
case ssl_handshake:certify(Cert, CertDbHandle, CertDbRef,
- Opts, CRLDbInfo, Role) of
+ Opts, CRLDbInfo, Role, Host) of
{PeerCert, PublicKeyInfo} ->
handle_peer_cert(Role, PeerCert, PublicKeyInfo,
State#state{client_certificate_requested = false}, Connection);
@@ -701,6 +702,7 @@ cipher(internal, #finished{verify_data = Data} = Finished,
expecting_finished = true,
session = #session{master_secret = MasterSecret}
= Session0,
+ ssl_options = SslOpts,
connection_states = ConnectionStates0,
tls_handshake_history = Handshake0} = State, Connection) ->
case ssl_handshake:verify_connection(ssl:tls_version(Version), Finished,
@@ -708,7 +710,7 @@ cipher(internal, #finished{verify_data = Data} = Finished,
get_current_prf(ConnectionStates0, read),
MasterSecret, Handshake0) of
verified ->
- Session = register_session(Role, Host, Port, Session0),
+ Session = register_session(Role, host_id(Role, Host, SslOpts), Port, Session0),
cipher_role(Role, Data, Session,
State#state{expecting_finished = false}, Connection);
#alert{} = Alert ->
@@ -2097,6 +2099,11 @@ register_session(server, _, Port, #session{is_resumable = new} = Session0) ->
register_session(_, _, _, Session) ->
Session. %% Already registered
+host_id(client, _Host, #ssl_options{server_name_indication = Hostname}) when is_list(Hostname) ->
+ Hostname;
+host_id(_, Host, _) ->
+ Host.
+
handle_new_session(NewId, CipherSuite, Compression,
#state{session = Session0,
protocol_cb = Connection} = State0) ->
diff --git a/lib/ssl/src/ssl_handshake.erl b/lib/ssl/src/ssl_handshake.erl
index b1661624b5..0ee9ee3322 100644
--- a/lib/ssl/src/ssl_handshake.erl
+++ b/lib/ssl/src/ssl_handshake.erl
@@ -50,7 +50,7 @@
finished/5, next_protocol/1]).
%% Handle handshake messages
--export([certify/6, client_certificate_verify/6, certificate_verify/6, verify_signature/5,
+-export([certify/7, client_certificate_verify/6, certificate_verify/6, verify_signature/5,
master_secret/4, server_key_exchange_hash/2, verify_connection/6,
init_handshake_history/0, update_handshake_history/3, verify_server_key/5
]).
@@ -389,21 +389,21 @@ verify_signature(_, Hash, {HashAlgo, _SignAlg}, Signature,
%%--------------------------------------------------------------------
-spec certify(#certificate{}, db_handle(), certdb_ref(), #ssl_options{}, term(),
- client | server) -> {der_cert(), public_key_info()} | #alert{}.
+ client | server, inet:hostname() | inet:ip_address()) -> {der_cert(), public_key_info()} | #alert{}.
%%
%% Description: Handles a certificate handshake message
%%--------------------------------------------------------------------
certify(#certificate{asn1_certificates = ASN1Certs}, CertDbHandle, CertDbRef,
- Opts, CRLDbHandle, Role) ->
+ Opts, CRLDbHandle, Role, Host) ->
+ ServerName = server_name(Opts#ssl_options.server_name_indication, Host, Role),
[PeerCert | _] = ASN1Certs,
try
{TrustedCert, CertPath} =
ssl_certificate:trusted_cert_and_path(ASN1Certs, CertDbHandle, CertDbRef,
Opts#ssl_options.partial_chain),
ValidationFunAndState = validation_fun_and_state(Opts#ssl_options.verify_fun, Role,
- CertDbHandle, CertDbRef,
- Opts#ssl_options.server_name_indication,
+ CertDbHandle, CertDbRef, ServerName,
Opts#ssl_options.crl_check, CRLDbHandle, CertPath),
case public_key:pkix_path_validation(TrustedCert,
CertPath,
@@ -1528,6 +1528,8 @@ select_shared_curve([Curve | Rest], Curves) ->
sni(undefined) ->
undefined;
+sni(disable) ->
+ undefined;
sni(Hostname) ->
#sni{hostname = Hostname}.
@@ -2353,3 +2355,9 @@ available_signature_algs(#hash_sign_algos{hash_sign_algos = ClientHashSigns}, Su
available_signature_algs(_, _, _, _) ->
undefined.
+server_name(_, _, server) ->
+ undefined; %% Not interesting to check your own name.
+server_name(undefined, Host, client) ->
+ {fallback, Host}; %% Fallback to Host argument to connect
+server_name(SNI, _, client) ->
+ SNI. %% If Server Name Indication is available