From 2916e7f2aa523411717c3ed4e275ab96cb03b6ee Mon Sep 17 00:00:00 2001 From: Ingela Anderton Andin Date: Tue, 24 Jan 2012 17:55:54 +0100 Subject: Use the public_key application for all public key handling Also improved test suites to avoid copying of users keys to test server directories as this is a security liability --- lib/ssh/src/Makefile | 6 +- lib/ssh/src/ssh_auth.erl | 87 ++- lib/ssh/src/ssh_dsa.erl | 42 +- lib/ssh/src/ssh_file.erl | 600 +++++++-------------- lib/ssh/src/ssh_rsa.erl | 233 +------- lib/ssh/src/ssh_transport.erl | 105 ++-- lib/ssh/test/ssh_basic_SUITE.erl | 68 ++- lib/ssh/test/ssh_basic_SUITE_data/ssh_host_dsa_key | 20 +- .../test/ssh_basic_SUITE_data/ssh_host_dsa_key.pub | 11 + lib/ssh/test/ssh_sftp_SUITE.erl | 40 +- lib/ssh/test/ssh_sftp_SUITE_data/ssh_host_dsa_key | 13 + .../test/ssh_sftp_SUITE_data/ssh_host_dsa_key.pub | 11 + lib/ssh/test/ssh_sftpd_SUITE.erl | 25 +- lib/ssh/test/ssh_sftpd_SUITE_data/id_dsa | 13 + lib/ssh/test/ssh_sftpd_erlclient_SUITE.erl | 49 +- lib/ssh/test/ssh_sftpd_erlclient_SUITE_data/id_dsa | 13 + lib/ssh/test/ssh_test_lib.erl | 93 ++-- lib/ssh/test/ssh_to_openssh_SUITE.erl | 118 ++-- .../ssh_to_openssh_SUITE_data/ssh_host_rsa_key | 16 + .../ssh_to_openssh_SUITE_data/ssh_host_rsa_key.pub | 5 + 20 files changed, 620 insertions(+), 948 deletions(-) create mode 100644 lib/ssh/test/ssh_basic_SUITE_data/ssh_host_dsa_key.pub create mode 100644 lib/ssh/test/ssh_sftp_SUITE_data/ssh_host_dsa_key create mode 100644 lib/ssh/test/ssh_sftp_SUITE_data/ssh_host_dsa_key.pub create mode 100644 lib/ssh/test/ssh_sftpd_SUITE_data/id_dsa create mode 100644 lib/ssh/test/ssh_sftpd_erlclient_SUITE_data/id_dsa create mode 100644 lib/ssh/test/ssh_to_openssh_SUITE_data/ssh_host_rsa_key create mode 100644 lib/ssh/test/ssh_to_openssh_SUITE_data/ssh_host_rsa_key.pub (limited to 'lib/ssh') diff --git a/lib/ssh/src/Makefile b/lib/ssh/src/Makefile index da31d87369..a49f207564 100644 --- a/lib/ssh/src/Makefile +++ b/lib/ssh/src/Makefile @@ -1,7 +1,7 @@ # # %CopyrightBegin% # -# Copyright Ericsson AB 2004-2011. All Rights Reserved. +# Copyright Ericsson AB 2004-2012. All Rights Reserved. # # The contents of this file are subject to the Erlang Public License, # Version 1.1, (the "License"); you may not use this file except in @@ -101,8 +101,8 @@ INTERNAL_HRL_FILES = $(ASN_HRLS) ssh_auth.hrl ssh_connect.hrl ssh_transport.hrl # ---------------------------------------------------- # FLAGS # ---------------------------------------------------- -ERL_COMPILE_FLAGS += -pa$(EBIN) - +ERL_COMPILE_FLAGS += -pa$(EBIN)\ + -pz $(ERL_TOP)/lib/public_key/ebin # ---------------------------------------------------- # Targets # ---------------------------------------------------- diff --git a/lib/ssh/src/ssh_auth.erl b/lib/ssh/src/ssh_auth.erl index 9dbd95886e..a39c664c45 100644 --- a/lib/ssh/src/ssh_auth.erl +++ b/lib/ssh/src/ssh_auth.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2008-2010. All Rights Reserved. +%% Copyright Ericsson AB 2008-2012. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -21,11 +21,13 @@ -module(ssh_auth). --include("ssh.hrl"). +-include_lib("public_key/include/public_key.hrl"). +-include("ssh.hrl"). -include("ssh_auth.hrl"). -include("ssh_transport.hrl"). + -export([publickey_msg/1, password_msg/1, keyboard_interactive_msg/1, service_request_msg/1, init_userauth_request_msg/1, userauth_request_msg/1, handle_userauth_request/3, @@ -40,26 +42,29 @@ publickey_msg([Cb, #ssh{user = User, session_id = SessionId, service = Service, opts = Opts} = Ssh]) -> + + Alg = algorithm(Cb), + Hash = sha, %% Maybe option?! ssh_bits:install_messages(userauth_pk_messages()), - Alg = Cb:alg_name(), + case ssh_file:private_identity_key(Alg, Opts) of - {ok, PrivKey} -> - PubKeyBlob = ssh_file:encode_public_key(PrivKey), + {ok, Key} -> + PubKeyBlob = ssh_file:encode_public_key(Key), SigData = build_sig_data(SessionId, - User, Service, Alg, PubKeyBlob), - Sig = Cb:sign(PrivKey, SigData), - SigBlob = list_to_binary([?string(Alg), ?binary(Sig)]), + User, Service, Key, PubKeyBlob), + Sig = sign(SigData, Hash, Key), + SigBlob = list_to_binary([?string(algorithm(Key)), ?binary(Sig)]), ssh_transport:ssh_packet( #ssh_msg_userauth_request{user = User, service = Service, method = "publickey", data = [?TRUE, - ?string(Alg), + ?string(algorithm(Key)), ?binary(PubKeyBlob), ?binary(SigBlob)]}, Ssh); - _Error -> - not_ok + _Error -> + not_ok end. password_msg([#ssh{opts = Opts, io_cb = IoCb, @@ -192,12 +197,12 @@ handle_userauth_request(#ssh_msg_userauth_request{user = User, ?TRUE -> case verify_sig(SessionId, User, "ssh-connection", Alg, KeyBlob, SigWLen, Opts) of - ok -> + true -> {authorized, User, ssh_transport:ssh_packet( #ssh_msg_userauth_success{}, Ssh)}; - {error, Reason} -> - {not_authorized, {User, {error, Reason}}, + false -> + {not_authorized, {User, {error, "Invalid signature"}}, ssh_transport:ssh_packet(#ssh_msg_userauth_failure{ authentications="publickey,password", partial_success = false}, Ssh)} @@ -312,35 +317,65 @@ get_password_option(Opts, User) -> end. verify_sig(SessionId, User, Service, Alg, KeyBlob, SigWLen, Opts) -> - case ssh_file:lookup_user_key(User, Alg, Opts) of + {ok, Key} = ssh_file:decode_public_key_v2(KeyBlob, Alg), + case ssh_file:lookup_user_key(Key, User, Alg, Opts) of {ok, OurKey} -> - {ok, Key} = ssh_file:decode_public_key_v2(KeyBlob, Alg), case OurKey of Key -> - NewSig = build_sig_data(SessionId, - User, Service, Alg, KeyBlob), + PlainText = build_sig_data(SessionId, + User, Service, Key, KeyBlob), <> = SigWLen, <> = AlgSig, - M = alg_to_module(Alg), - M:verify(OurKey, NewSig, Sig); + ?UINT32(SigLen), Sig:SigLen/binary>> = AlgSig, + verify(PlainText, sha, Sig, Key); _ -> {error, key_unacceptable} end; Error -> Error end. -build_sig_data(SessionId, User, Service, Alg, KeyBlob) -> +build_sig_data(SessionId, User, Service, Key, KeyBlob) -> Sig = [?binary(SessionId), ?SSH_MSG_USERAUTH_REQUEST, ?string(User), ?string(Service), ?binary(<<"publickey">>), ?TRUE, - ?string(Alg), + ?string(algorithm(Key)), ?binary(KeyBlob)], list_to_binary(Sig). +algorithm(ssh_rsa) -> + "ssh-rsa"; +algorithm(ssh_dsa) -> + "ssh-dss"; +algorithm(#'RSAPrivateKey'{}) -> + "ssh-rsa"; +algorithm(#'DSAPrivateKey'{}) -> + "ssh-dss"; +algorithm({_, #'Dss-Parms'{}}) -> + "ssh-dss"; +algorithm(#'RSAPublicKey'{}) -> + "ssh-rsa". + +sign(SigData, Hash, #'DSAPrivateKey'{} = Key) -> + DerSignature = public_key:sign(SigData, Hash, Key), + #'Dss-Sig-Value'{r = R, s = S} = public_key:der_decode('Dss-Sig-Value', DerSignature), + <>; +sign(SigData, Hash, Key) -> + public_key:sign(SigData, Hash, Key). +%% sign(SigData, _, #'DSAPrivateKey'{} = Key) -> +%% ssh_dsa:sign(Key, SigData). + +verify(PlainText, Hash, Sig, {_, #'Dss-Parms'{}} = Key) -> + <> = Sig, + Signature = public_key:der_encode('Dss-Sig-Value', #'Dss-Sig-Value'{r = R, s = S}), + public_key:verify(PlainText, Hash, Signature, Key); +verify(PlainText, Hash, Sig, Key) -> + public_key:verify(PlainText, sha, Sig, Key). +%% verify(PlainText, _Hash, Sig, {_, #'Dss-Parms'{}} = Key) -> +%% ssh_dsa:verify(Key, PlainText, Sig). + decode_keyboard_interactive_prompts(NumPrompts, Data) -> Types = lists:append(lists:duplicate(NumPrompts, [string, boolean])), pairwise_tuplify(ssh_bits:decode(Data, Types)). @@ -412,12 +447,8 @@ userauth_pk_messages() -> binary]} % key blob ]. -alg_to_module("ssh-dss") -> - ssh_dsa; -alg_to_module("ssh-rsa") -> - ssh_rsa. - other_cb(ssh_rsa) -> ssh_dsa; other_cb(ssh_dsa) -> ssh_rsa. + diff --git a/lib/ssh/src/ssh_dsa.erl b/lib/ssh/src/ssh_dsa.erl index cb2632beac..6650b8b99b 100644 --- a/lib/ssh/src/ssh_dsa.erl +++ b/lib/ssh/src/ssh_dsa.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2005-2011. All Rights Reserved. +%% Copyright Ericsson AB 2005-2012. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -23,28 +23,14 @@ -module(ssh_dsa). --export([verify/3]). +-export([verify/3, verify/4]). -export([sign/2]). -export([alg_name/0]). -include("ssh.hrl"). +-include_lib("public_key/include/public_key.hrl"). -%% start() -> -%% crypto:start(). - -%% sign_file(File, Opts) -> -%% start(), -%% {ok,Bin} = file:read_file(File), -%% {ok,Key} = ssh_file:private_host_dsa_key(user, Opts), -%% sign(Key, Bin). - -%% verify_file(File, Sig) -> -%% start(), -%% {ok,Bin} = file:read_file(File), -%% {ok,Key} = ssh_file:public_host_key(user, dsa), -%% verify(Key, Bin, Sig). - -sign(_Private=#ssh_key { private={P,Q,G,X} },Mb) -> +sign(_Private= #'DSAPrivateKey'{p = P, q = Q, g = G, x = X},Mb) -> K = ssh_bits:irandom(160) rem Q, R = ssh_math:ipow(G, K, P) rem Q, Ki = ssh_math:invert(K, Q), @@ -52,28 +38,18 @@ sign(_Private=#ssh_key { private={P,Q,G,X} },Mb) -> S = (Ki * (M + X*R)) rem Q, <>. - -%% the paramiko client sends a bad sig sometimes, -%% instead of crashing, we nicely return error, the -%% typcally manifests itself as Sb being 39 bytes -%% instead of 40. +verify(PlainText, sha, Sig, {Y, {_, P, Q, G}}) -> + verify(#ssh_key{type = dsa, + public = {P,Q,G,Y}}, PlainText, Sig). verify(Public, Mb, Sb) -> case catch xverify(Public, Mb, Sb) of {'EXIT', _Reason} -> - %store({Public, Mb, Sb, _Reason}), - {error, inconsistent_key}; + false; ok -> - %store({Public, Mb, Sb, ok}) - ok + true end. -%% store(Term) -> -%% {ok, Fd} = file:open("/tmp/dsa", [append]), -%% io:format(Fd, "~p~n~n~n", [Term]), -%% file:close(Fd). - - xverify(_Public=#ssh_key { public={P,Q,G,Y} },Mb,Sb) -> <> = Sb, ?ssh_assert(R0 >= 0 andalso R0 < Q andalso diff --git a/lib/ssh/src/ssh_file.erl b/lib/ssh/src/ssh_file.erl index 12180f56bb..64dc286b92 100644 --- a/lib/ssh/src/ssh_file.erl +++ b/lib/ssh/src/ssh_file.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2005-2011. All Rights Reserved. +%% Copyright Ericsson AB 2005-2012. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -23,21 +23,19 @@ -module(ssh_file). --include("ssh.hrl"). --include("PKCS-1.hrl"). --include("DSS.hrl"). - +-include_lib("public_key/include/public_key.hrl"). -include_lib("kernel/include/file.hrl"). +-include("ssh.hrl"). + -export([public_host_dsa_key/2,private_host_dsa_key/2, public_host_rsa_key/2,private_host_rsa_key/2, public_host_key/2,private_host_key/2, - lookup_host_key/3, add_host_key/3, % del_host_key/2, - lookup_user_key/3, ssh_dir/2, file_name/3]). + lookup_host_key/3, add_host_key/3, + lookup_user_key/4, ssh_dir/2, file_name/3]). -export([private_identity_key/2, public_identity_key/2]). -%% identity_keys/2]). -export([encode_public_key/1, decode_public_key_v2/2]). @@ -48,38 +46,149 @@ -define(PERM_700, 8#700). -define(PERM_644, 8#644). + %% API public_host_dsa_key(Type, Opts) -> File = file_name(Type, "ssh_host_dsa_key.pub", Opts), - read_public_key_v2(File, "ssh-dss"). + decode(File, public_key). private_host_dsa_key(Type, Opts) -> File = file_name(Type, "ssh_host_dsa_key", Opts), - read_private_key_v2(File, "ssh-dss"). + Password = proplists:get_value(password, Opts, ignore), + decode(File, Password). public_host_rsa_key(Type, Opts) -> File = file_name(Type, "ssh_host_rsa_key.pub", Opts), - read_public_key_v2(File, "ssh-rsa"). + decode(File, public_key). private_host_rsa_key(Type, Opts) -> File = file_name(Type, "ssh_host_rsa_key", Opts), - read_private_key_v2(File, "ssh-rsa"). + Password = proplists:get_value(password, Opts, ignore), + decode(File, Password). public_host_key(Type, Opts) -> File = file_name(Type, "ssh_host_key", Opts), - case read_private_key_v1(File,public) of - {error, enoent} -> - read_public_key_v1(File++".pub"); - Result -> - Result + decode(File, public_key). + +private_host_key(Type, Opts) -> + File = file_name(Type, "ssh_host_key", Opts), + Password = proplists:get_value(password, Opts, ignore), + decode(File, Password). + +private_identity_key(Alg, Opts) -> + File = file_name(user, identity_key_filename(Alg), Opts), + Password = proplists:get_value(password, Opts, ignore), + decode(File, Password). + +public_identity_key(Alg, Opts) -> + File = file_name(user, identity_key_filename(Alg) ++ ".pub", Opts), + decode(File, public_key). + +encode_public_key(#'RSAPrivateKey'{publicExponent = E, modulus = N}) -> + ssh_bits:encode(["ssh-rsa",E,N], [string,mpint,mpint]); +encode_public_key(#'DSAPrivateKey'{p = P, q = Q, g = G, y = Y}) -> + ssh_bits:encode(["ssh-dss",P,Q,G,Y], [string,mpint,mpint,mpint,mpint]). + +decode(File, Password) -> + try + {ok, decode_ssh_file(read_ssh_file(File), Password)} + catch + throw:Reason -> + {error, Reason}; + error:Reason -> + {error, Reason} + end. + +read_ssh_file(File) -> + {ok, Bin} = file:read_file(File), + Bin. + +%% Public key +decode_ssh_file(SshBin, public_key) -> + public_key:ssh_decode(SshBin, public_key); + +%% Private Key +decode_ssh_file(Pem, Password) -> + case public_key:pem_decode(Pem) of + [{_, _, not_encrypted} = Entry] -> + public_key:pem_entry_decode(Entry); + [Entry] when Password =/= ignore -> + public_key:pem_entry_decode(Entry, Password); + _ -> + throw("No pass phrase provided for private key file") end. + + +%% lookup_host_key +%% return {ok, Key(s)} or {error, not_found} +%% + +lookup_host_key(Host, Alg, Opts) -> + Host1 = replace_localhost(Host), + do_lookup_host_key(Host1, Alg, Opts). -private_host_key(Type, Opts) -> - File = file_name(Type, "ssh_host_key", Opts), - read_private_key_v1(File,private). +add_host_key(Host, Key, Opts) -> + Host1 = add_ip(replace_localhost(Host)), + KnownHosts = file_name(user, "known_hosts", Opts), + case file:open(KnownHosts, [write,append]) of + {ok, Fd} -> + ok = file:change_mode(KnownHosts, ?PERM_644), + Res = add_key_fd(Fd, Host1, Key), + file:close(Fd), + Res; + Error -> + Error + end. + +lookup_user_key(Key, User, Alg, Opts) -> + SshDir = ssh_dir({remoteuser,User}, Opts), + case lookup_user_key_f(Key, User, SshDir, Alg, "authorized_keys", Opts) of + {ok, Key} -> + {ok, Key}; + _ -> + lookup_user_key_f(Key, User, SshDir, Alg, "authorized_keys2", Opts) + end. + + +%% +%% Utils +%% +%% server use this to find individual keys for +%% an individual user when user tries to login +%% with publickey +ssh_dir({remoteuser, User}, Opts) -> + case proplists:get_value(user_dir_fun, Opts) of + undefined -> + case proplists:get_value(user_dir, Opts) of + undefined -> + default_user_dir(); + Dir -> + Dir + end; + FUN -> + FUN(User) + end; +%% client use this to find client ssh keys +ssh_dir(user, Opts) -> + case proplists:get_value(user_dir, Opts, false) of + false -> default_user_dir(); + D -> D + end; + +%% server use this to find server host keys +ssh_dir(system, Opts) -> + proplists:get_value(system_dir, Opts, "/etc/ssh"). + + +file_name(Type, Name, Opts) -> + FN = filename:join(ssh_dir(Type, Opts), Name), + %%?dbg(?DBG_PATHS, "file_name: ~p\n", [FN]), + FN. + +%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %% in: "host" out: "host,1.2.3.4. add_ip(Host) -> @@ -98,449 +207,112 @@ replace_localhost("localhost") -> replace_localhost(Host) -> Host. -%% lookup_host_key -%% return {ok, Key(s)} or {error, not_found} -%% - -lookup_host_key(Host, Alg, Opts) -> - Host1 = replace_localhost(Host), - do_lookup_host_key(Host1, Alg, Opts). - do_lookup_host_key(Host, Alg, Opts) -> - case file:open(file_name(user, "known_hosts", Opts), [read]) of + case file:open(file_name(user, "known_hosts", Opts), [read, binary]) of {ok, Fd} -> Res = lookup_host_key_fd(Fd, Host, Alg), file:close(Fd), - Res; + {ok, Res}; {error, enoent} -> {error, not_found}; Error -> Error end. -add_host_key(Host, Key, Opts) -> - Host1 = add_ip(replace_localhost(Host)), - KnownHosts = file_name(user, "known_hosts", Opts), - case file:open(KnownHosts, [write,append]) of - {ok, Fd} -> - ok = file:change_mode(KnownHosts, ?PERM_644), - Res = add_key_fd(Fd, Host1, Key), - file:close(Fd), - Res; - Error -> - Error - end. - -%% del_host_key(Host, Opts) -> -%% Host1 = replace_localhost(Host), -%% case file:open(file_name(user, "known_hosts", Opts),[write,read]) of -%% {ok, Fd} -> -%% Res = del_key_fd(Fd, Host1), -%% file:close(Fd), -%% Res; -%% Error -> -%% Error -%% end. - identity_key_filename("ssh-dss") -> "id_dsa"; identity_key_filename("ssh-rsa") -> "id_rsa". -private_identity_key(Alg, Opts) -> - Path = file_name(user, identity_key_filename(Alg), Opts), - read_private_key_v2(Path, Alg). - -public_identity_key(Alg, Opts) -> - Path = file_name(user, identity_key_filename(Alg) ++ ".pub", Opts), - read_public_key_v2(Path, Alg). - - -read_public_key_v2(File, Type) -> - case file:read_file(File) of - {ok,Bin} -> - List = binary_to_list(Bin), - case lists:prefix(Type, List) of - true -> - List1 = lists:nthtail(length(Type), List), - K_S = ssh_bits:b64_decode(List1), - decode_public_key_v2(K_S, Type); - false -> - {error, bad_format} - end; - Error -> - Error - end. - decode_public_key_v2(K_S, "ssh-rsa") -> case ssh_bits:decode(K_S,[string,mpint,mpint]) of ["ssh-rsa", E, N] -> - {ok, #ssh_key { type = rsa, - public = {N,E}, - comment=""}}; + {ok, #'RSAPublicKey'{publicExponent = E, modulus = N}}; _ -> {error, bad_format} end; -decode_public_key_v2(K_S, "ssh-dss") -> - case ssh_bits:decode(K_S,[string,mpint,mpint,mpint,mpint]) of - ["ssh-dss",P,Q,G,Y] -> - {ok,#ssh_key { type = dsa, - public = {P,Q,G,Y} - }}; - _A -> - {error, bad_format} - end; +decode_public_key_v2(K_S, "ssh-dss") -> + case ssh_bits:decode(K_S,[string,mpint,mpint,mpint,mpint]) of + ["ssh-dss",P,Q,G,Y] -> + {ok, {Y, #'Dss-Parms'{p = P, q = Q, g = G}}}; + _A -> + {error, bad_format} + end; decode_public_key_v2(_, _) -> {error, bad_format}. - -read_public_key_v1(File) -> - case file:read_file(File) of - {ok,Bin} -> - List = binary_to_list(Bin), - case io_lib:fread("~d ~d ~d ~s", List) of - {ok,[_Sz,E,N,Comment],_} -> - {ok,#ssh_key { type = rsa, - public ={N,E}, - comment = Comment }}; - _Error -> - {error, bad_format} - end; - Error -> - Error - end. - -%% pem_type("ssh-dss") -> "DSA"; -%% pem_type("ssh-rsa") -> "RSA". - -read_private_key_v2(File, Type) -> - case file:read_file(File) of - {ok, PemBin} -> - case catch (public_key:pem_decode(PemBin)) of - [{_, Bin, not_encrypted}] -> - decode_private_key_v2(Bin, Type); - Error -> %% Note we do not handle password encrypted keys at the moment - {error, Error} - end; - {error, Reason} -> - {error, Reason} - end. -%% case file:read_file(File) of -%% {ok,Bin} -> -%% case read_pem(binary_to_list(Bin), pem_type(Type)) of -%% {ok,Bin1} -> -%% decode_private_key_v2(Bin1, Type); -%% Error -> -%% Error -%% end; -%% Error -> -%% Error -%% end. - -decode_private_key_v2(Private,"ssh-rsa") -> - case 'PKCS-1':decode( 'RSAPrivateKey', Private) of - {ok,RSA} -> %% FIXME Check for two-prime version - {ok, #ssh_key { type = rsa, - public = {RSA#'RSAPrivateKey'.modulus, - RSA#'RSAPrivateKey'.publicExponent}, - private = {RSA#'RSAPrivateKey'.modulus, - RSA#'RSAPrivateKey'.privateExponent} - }}; - Error -> - Error - end; -decode_private_key_v2(Private, "ssh-dss") -> - case 'DSS':decode('DSAPrivateKey', Private) of - {ok,DSA} -> %% FIXME Check for two-prime version - {ok, #ssh_key { type = dsa, - public = {DSA#'DSAPrivateKey'.p, - DSA#'DSAPrivateKey'.q, - DSA#'DSAPrivateKey'.g, - DSA#'DSAPrivateKey'.y}, - private= {DSA#'DSAPrivateKey'.p, - DSA#'DSAPrivateKey'.q, - DSA#'DSAPrivateKey'.g, - DSA#'DSAPrivateKey'.x} - }}; - _ -> - {error,bad_format} - end. - -%% SSH1 private key format -%% <<"SSH PRIVATE KEY FILE FORMATE 1.1\n" 0:8 -%% CipherNum:8, Reserved:32, -%% NSz/uint32, N/bignum, E/bignum, Comment/string, -%% -%% [ R0:8 R1:8 R0:8 R1:8, D/bignum, IQMP/bignum, Q/bignum, P/bignum, Pad(8)]>> -%% -%% where [ ] is encrypted using des3 (ssh1 version) and -%% a posssibly empty pass phrase using md5(passphase) as key -%% - -read_private_key_v1(File, Type) -> - case file:read_file(File) of - {ok,<<"SSH PRIVATE KEY FILE FORMAT 1.1\n",0, - CipherNum,_Resereved:32,Bin/binary>>} -> - decode_private_key_v1(Bin, CipherNum,Type); - {ok,_} -> - {error, bad_format}; - Error -> - Error - end. - -decode_private_key_v1(Bin, CipherNum, Type) -> - case ssh_bits:decode(Bin,0,[uint32, bignum, bignum, string]) of - {Offset,[_NSz,N,E,Comment]} -> - if Type == public -> - {ok,#ssh_key { type=rsa, - public={N,E}, - comment=Comment}}; - Type == private -> - <<_:Offset/binary, Encrypted/binary>> = Bin, - case ssh_bits:decode(decrypt1(Encrypted, CipherNum),0, - [uint32, bignum, bignum, - bignum, bignum,{pad,8}]) of - {_,[_,D,IQMP,Q,P]} -> - {ok,#ssh_key { type=rsa, - public={N,E}, - private={D,IQMP,Q,P}, - comment=Comment}}; - _ -> - {error,bad_format} - end - end; - _ -> - {error,bad_format} - end. - - -decrypt1(Bin, CipherNum) -> - decrypt1(Bin, CipherNum,""). - -decrypt1(Bin, CipherNum, Phrase) -> - if CipherNum == ?SSH_CIPHER_NONE; Phrase == "" -> - Bin; - CipherNum == ?SSH_CIPHER_3DES -> - <> = erlang:md5(Phrase), - K3 = K1, - IV = <<0,0,0,0,0,0,0,0>>, - Bin1 = crypto:des_cbc_decrypt(K3,IV,Bin), - Bin2 = crypto:des_cbc_encrypt(K2,IV,Bin1), - crypto:des_cbc_decrypt(K1,IV,Bin2) - end. - -%% encrypt1(Bin, CipherNum) -> -%% encrypt1(Bin, CipherNum,""). - -%% encrypt1(Bin, CipherNum, Phrase) -> -%% if CipherNum == ?SSH_CIPHER_NONE; Phrase == "" -> -%% Bin; -%% CipherNum == ?SSH_CIPHER_3DES -> -%% <> = erlang:md5(Phrase), -%% K3 = K1, -%% IV = <<0,0,0,0,0,0,0,0>>, -%% Bin1 = crypto:des_cbc_encrypt(K1,IV,Bin), -%% Bin2 = crypto:des_cbc_decrypt(K2,IV,Bin1), -%% crypto:des_cbc_encrypt(K3,IV,Bin2) -%% end. - -lookup_host_key_fd(Fd, Host, Alg) -> +lookup_host_key_fd(Fd, Host, KeyType) -> case io:get_line(Fd, '') of eof -> {error, not_found}; Line -> - case string:tokens(Line, " ") of - [HostList, Alg, KeyData] -> -%% io:format(" ~p lookup_host_key_fd: HostList ~p Alg ~p KeyData ~p\n", -%% [Host, HostList, Alg, KeyData]), - case lists:member(Host, string:tokens(HostList, ",")) of - true -> - decode_public_key_v2(ssh_bits:b64_decode(KeyData), Alg); - false -> - lookup_host_key_fd(Fd, Host, Alg) - end; - _ -> - lookup_host_key_fd(Fd, Host, Alg) + case public_key:ssh_decode(Line, known_hosts) of + [{Key, Attributes}] -> + handle_host(Fd, Host, proplists:get_value(hostnames, Attributes), Key, KeyType); + [] -> + lookup_host_key_fd(Fd, Host, KeyType) end end. - - -%% del_key_fd(Fd, Host) -> -%% del_key_fd(Fd, Host, 0, 0). - -%% del_key_fd(Fd, Host, ReadPos0, WritePos0) -> -%% case io:get_line(Fd, '') of -%% eof -> -%% if ReadPos0 == WritePos0 -> -%% ok; -%% true -> -%% file:truncate(Fd) -%% end; -%% Line -> -%% {ok,ReadPos1} = file:position(Fd, cur), -%% case string:tokens(Line, " ") of -%% [HostList, _Type, _KeyData] -> -%% case lists:member(Host, string:tokens(HostList, ",")) of -%% true -> -%% del_key_fd(Fd, Host, ReadPos1, WritePos0); -%% false -> -%% if ReadPos0 == WritePos0 -> -%% del_key_fd(Fd, Host, ReadPos1, ReadPos1); -%% true -> -%% file:position(Fd, WritePos0), -%% file:write(Fd, Line), -%% {ok,WritePos1} = file:position(Fd,cur), -%% del_key_fd(Fd, Host, ReadPos1, WritePos1) -%% end -%% end; -%% _ -> -%% if ReadPos0 == WritePos0 -> -%% del_key_fd(Fd, Host, ReadPos1, ReadPos1); -%% true -> -%% file:position(Fd, WritePos0), -%% file:write(Fd, Line), -%% {ok,WritePos1} = file:position(Fd,cur), -%% del_key_fd(Fd, Host, ReadPos1, WritePos1) -%% end -%% end -%% end. - - -add_key_fd(Fd, Host, Key) -> - case Key#ssh_key.type of - rsa -> - {N,E} = Key#ssh_key.public, - DK = ssh_bits:b64_encode( - ssh_bits:encode(["ssh-rsa",E,N], - [string,mpint,mpint])), - file:write(Fd, [Host, " ssh-rsa ", DK, "\n"]); - dsa -> - {P,Q,G,Y} = Key#ssh_key.public, - DK = ssh_bits:b64_encode( - ssh_bits:encode(["ssh-dss",P,Q,G,Y], - [string,mpint,mpint,mpint,mpint])), - file:write(Fd, [Host, " ssh-dss ", DK, "\n"]) +handle_host(Fd, Host, HostList, Key, KeyType) -> + Host1 = host_name(Host), + case lists:member(Host1, HostList) and key_match(Key, KeyType) of + true -> + Key; + false -> + lookup_host_key_fd(Fd, Host, KeyType) end. +host_name(Atom) when is_atom(Atom) -> + atom_to_list(Atom); +host_name(List) -> + List. -%% read_pem(Cs, Type) -> -%% case read_line(Cs) of -%% {"-----BEGIN "++Rest,Cs1} -> -%% case string:tokens(Rest, " ") of -%% [Type, "PRIVATE", "KEY-----"] -> -%% read_pem64(Cs1, [], Type); -%% _ -> -%% {error, bad_format} -%% end; -%% {"",Cs1} when Cs1 =/= "" -> -%% read_pem(Cs1,Type); -%% {_,""} -> -%% {error, bad_format} -%% end. - -%% read_pem64(Cs, Acc, Type) -> -%% case read_line(Cs) of -%% {"-----END "++Rest,_Cs1} -> -%% case string:tokens(Rest, " ") of -%% [Type, "PRIVATE", "KEY-----"] -> -%% {ok,ssh_bits:b64_decode(append(reverse(Acc)))}; -%% Toks -> -%% error_logger:format("ssh: TOKENS=~p\n", [Toks]), -%% {error, bad_format} -%% end; -%% {B64, Cs1} when Cs1 =/= "" -> -%% read_pem64(Cs1, [B64|Acc], Type); -%% _What -> -%% {error, bad_format} -%% end. - - -%% read_line(Cs) -> read_line(Cs,[]). -%% read_line([$\r,$\n|T], Acc) -> {reverse(Acc), T}; -%% read_line([$\n|T], Acc) -> {reverse(Acc), T}; -%% read_line([C|T], Acc) -> read_line(T,[C|Acc]); -%% read_line([], Acc) -> {reverse(Acc),[]}. - -lookup_user_key(User, Alg, Opts) -> - SshDir = ssh_dir({remoteuser,User}, Opts), - case lookup_user_key_f(User, SshDir, Alg, "authorized_keys", Opts) of - {ok, Key} -> - {ok, Key}; - _ -> - lookup_user_key_f(User, SshDir, Alg, "authorized_keys2", Opts) - end. +key_match(#'RSAPublicKey'{}, "ssh-rsa") -> + true; +key_match({_, #'Dss-Parms'{}}, "ssh-dss") -> + true; +key_match(_, _) -> + false. + +add_key_fd(Fd, Host,Key) -> + SshBin = public_key:ssh_encode([{Key, [{hostnames, [Host]}]}], known_hosts), + file:write(Fd, SshBin). -lookup_user_key_f(_User, [], _Alg, _F, _Opts) -> +lookup_user_key_f(_, _User, [], _Alg, _F, _Opts) -> {error, nouserdir}; -lookup_user_key_f(_User, nouserdir, _Alg, _F, _Opts) -> +lookup_user_key_f(_, _User, nouserdir, _Alg, _F, _Opts) -> {error, nouserdir}; -lookup_user_key_f(_User, Dir, Alg, F, _Opts) -> +lookup_user_key_f(Key, _User, Dir, _Alg, F, _Opts) -> FileName = filename:join(Dir, F), - case file:open(FileName, [read]) of + case file:open(FileName, [read, binary]) of {ok, Fd} -> - Res = lookup_user_key_fd(Fd, Alg), + Res = lookup_user_key_fd(Fd, Key), file:close(Fd), Res; {error, Reason} -> {error, {{openerr, Reason}, {file, FileName}}} end. -lookup_user_key_fd(Fd, Alg) -> +lookup_user_key_fd(Fd, Key) -> case io:get_line(Fd, '') of eof -> {error, not_found}; Line -> - case string:tokens(Line, " ") of - [Alg, KeyData, _] -> - %% io:format("lookup_user_key_fd: HostList ~p Alg ~p KeyData ~p\n", - %% [HostList, Alg, KeyData]), - decode_public_key_v2(ssh_bits:b64_decode(KeyData), Alg); - _Other -> - %%?dbg(false, "key_fd Other: ~w ~w\n", [Alg, _Other]), - lookup_user_key_fd(Fd, Alg) + case public_key:ssh_decode(Line, auth_keys) of + [{AuthKey, _}] -> + case is_auth_key(Key, AuthKey) of + true -> + {ok, Key}; + false -> + lookup_user_key_fd(Fd, Key) + end; + [] -> + lookup_user_key_fd(Fd, Key) end end. +is_auth_key(Key, Key) -> + true; +is_auth_key(_,_) -> + false. -encode_public_key(#ssh_key{type = rsa, public = {N, E}}) -> - ssh_bits:encode(["ssh-rsa",E,N], - [string,mpint,mpint]); -encode_public_key(#ssh_key{type = dsa, public = {P,Q,G,Y}}) -> - ssh_bits:encode(["ssh-dss",P,Q,G,Y], - [string,mpint,mpint,mpint,mpint]). - -%% -%% Utils -%% - -%% server use this to find individual keys for -%% an individual user when user tries to login -%% with publickey -ssh_dir({remoteuser, User}, Opts) -> - case proplists:get_value(user_dir_fun, Opts) of - undefined -> - case proplists:get_value(user_dir, Opts) of - undefined -> - default_user_dir(); - Dir -> - Dir - end; - FUN -> - FUN(User) - end; - -%% client use this to find client ssh keys -ssh_dir(user, Opts) -> - case proplists:get_value(user_dir, Opts, false) of - false -> default_user_dir(); - D -> D - end; - -%% server use this to find server host keys -ssh_dir(system, Opts) -> - proplists:get_value(system_dir, Opts, "/etc/ssh"). - -file_name(Type, Name, Opts) -> - FN = filename:join(ssh_dir(Type, Opts), Name), - %%?dbg(?DBG_PATHS, "file_name: ~p\n", [FN]), - FN. default_user_dir()-> {ok,[[Home|_]]} = init:get_argument(home), diff --git a/lib/ssh/src/ssh_rsa.erl b/lib/ssh/src/ssh_rsa.erl index 77c411b09f..03c55319b7 100644 --- a/lib/ssh/src/ssh_rsa.erl +++ b/lib/ssh/src/ssh_rsa.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2005-2011. All Rights Reserved. +%% Copyright Ericsson AB 2005-2012. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -23,40 +23,23 @@ -module(ssh_rsa). +-include_lib("public_key/include/public_key.hrl"). + -export([verify/3, sign/2]). -export([alg_name/0]). -include("ssh.hrl"). --include("PKCS-1.hrl"). - -define(MGF(Seed,Len), mgf1((Seed),(Len))). -define(HASH(X), crypto:sha((X))). -define(HLen, 20). -%% start() -> -%% crypto:start(). - -%% sign_file(File) -> -%% start(), -%% {ok,Bin} = file:read_file(File), -%% {ok,Key} = ssh_file:private_host_rsa_key(user), -%% sign(Key, Bin). - -%% verify_file(File, Sig) -> -%% start(), -%% {ok,Bin} = file:read_file(File), -%% {ok,Key} = ssh_file:public_host_rsa_key(user), -%% verify(Key, Bin, Sig). - sign(Private,Mb) -> rsassa_pkcs1_v1_5_sign(Private,Mb). verify(Public,Mb,Sb) -> rsassa_pkcs1_v1_5_verify(Public,Mb,Sb). - - %% Integer to octet string i2osp(X, XLen) -> ssh_bits:i2bin(X, XLen). @@ -65,125 +48,23 @@ i2osp(X, XLen) -> os2ip(X) -> ssh_bits:bin2i(X). -%% decrypt1, M = message representative -%% rsaep(#ssh_key { public={N,E}}, M) -> -%% ?ssh_assert(M >= 0 andalso M =< N-1, out_of_range), -%% ssh_math:ipow(M, E, N). - -%% encrypt1, C = cipher representative -%% rsadp(#ssh_key { public={N,_}, private={_,D}}, C) -> -%% ?ssh_assert(C >= 0 andalso C =< N-1, out_of_range), -%% ssh_math:ipow(C, D, N). - %% sign1, M = message representative -rsasp1(#ssh_key { public={N,_}, private={_,D}}, M) -> +rsasp1(#'RSAPrivateKey'{modulus = N, privateExponent = D}, M) -> ?ssh_assert((M >= 0 andalso M =< N-1), out_of_range), ssh_math:ipow(M, D, N). %% verify1, S =signature representative -rsavp1(#ssh_key { public={N,E}}, S) -> +rsavp1(#'RSAPublicKey'{publicExponent = E, modulus = N}, S) -> ?ssh_assert(S >= 0 andalso S =< N-1, out_of_range), ssh_math:ipow(S, E, N). -%% M messaage -%% rsaes_oaep_encrypt(Public, M) -> -%% rsaes_oaep_encrypt(Public, M, <<>>). - -%% rsaes_oaep_encrypt(Public=#ssh_key { public={N,_E}}, M, L) -> -%% ?ssh_assert(size(L) =< 16#ffffffffffffffff, label_to_long), -%% K = (ssh_bits:isize(N)+7) div 8, -%% MLen = size(M), -%% %% LLen = size(L), -%% ?ssh_assert(MLen =< K - 2*?HLen - 2, message_to_long), -%% LHash = ?HASH(L), -%% PS = ssh_bits:fill_bits(K - MLen - 2*?HLen - 2, 0), -%% DB = <>, -%% Seed = ssh_bits:random(?HLen), -%% DbMask = ?MGF(Seed, K - ?HLen - 1), -%% MaskedDB = ssh_bits:xor_bits(DB, DbMask), -%% SeedMask = ?MGF(MaskedDB, ?HLen), -%% MaskedSeed = ssh_bits:xor_bits(Seed, SeedMask), -%% EM = <<16#00, MaskedSeed/binary, MaskedDB/binary>>, -%% Mc = os2ip(EM), -%% C = rsaep(Public, Mc), -%% i2osp(C, K). - -%% rsaes_oaep_decrypt(Key, C) -> -%% rsaes_oaep_decrypt(Key, C, <<>>). - -%% rsaes_oaep_decrypt(Private=#ssh_key { public={N,_},private={_,_}},Cb,L) -> -%% ?ssh_assert(size(L) =< 16#ffffffffffffffff, label_to_long), -%% K = (ssh_bits:isize(N)+7) div 8, -%% ?ssh_assert(K == 2*?HLen + 2, decryption_error), -%% C = os2ip(Cb), -%% M = rsadp(Private, C), -%% EM = i2osp(M, K), -%% LHash = ?HASH(L), -%% MLen = K - ?HLen -1, -%% case EM of -%% <<16#00, MaskedSeed:?HLen/binary, MaskedDB:MLen>> -> -%% SeedMask = ?MGF(MaskedDB, ?HLen), -%% Seed = ssh_bits:xor_bits(MaskedSeed, SeedMask), -%% DbMask = ?MGF(Seed, K - ?HLen - 1), -%% DB = ssh_bits:xor_bits(MaskedDB, DbMask), -%% PSLen = K - MLen - 2*?HLen - 2, -%% case DB of -%% <> -> -%% M; -%% _ -> -%% exit(decryption_error) -%% end; -%% _ -> -%% exit(decryption_error) -%% end. - - -%% rsaes_pkcs1_v1_5_encrypt(Public=#ssh_key { public={N,_}}, M) -> -%% K = (ssh_bits:isize(N)+7) div 8, -%% MLen = size(M), -%% ?ssh_assert(MLen =< K - 11, message_to_long), -%% PS = ssh_bits:random(K - MLen - 3), -%% EM = <<16#00,16#02,PS/binary,16#00,M/binary>>, -%% Mc = os2ip(EM), -%% C = rsaep(Public, Mc), -%% i2osp(C, K). - - -%% rsaes_pkcs1_v1_5_decrypt(Private=#ssh_key { public={N,_},private={_,_}}, -%% Cb) -> -%% K = (ssh_bits:isize(N)+7) div 8, -%% CLen = size(Cb), -%% ?ssh_assert(CLen == K andalso K >= 11, decryption_error), -%% C = os2ip(Cb), -%% M = rsadp(Private, C), -%% EM = i2osp(M, K), -%% PSLen = K - CLen - 3, -%% case EM of -%% <<16#00, 16#02, _PS:PSLen/binary, 16#00, M>> -> -%% M; -%% _ -> -%% exit(decryption_error) -%% end. - -%% rsassa_pss_sign(Private=#ssh_key { public={N,_},private={_,_}},Mb) -> -%% ModBits = ssh_bits:isize(N), -%% K = (ModBits+7) div 8, -%% EM = emsa_pss_encode(Mb, ModBits - 1), -%% M = os2ip(EM), -%% S = rsasp1(Private, M), -%% i2osp(S, K). - -%% rsassa_pss_verify(Public=#ssh_key { public={N,_E}},Mb,Sb) -> -%% ModBits = ssh_bits:isize(N), -%% K = (ModBits+7) div 8, -%% ?ssh_assert(size(Sb) == K, invalid_signature), -%% S = os2ip(Sb), -%% M = rsavp1(Public,S), -%% EMLen = (ModBits-1+7) div 8, -%% EM = i2osp(M, EMLen), -%% emsa_pss_verify(Mb, EM, ModBits-1). - +rsassa_pkcs1_v1_5_sign(#'RSAPrivateKey'{modulus = N} = Private, Mb) -> + K = (ssh_bits:isize(N)+7) div 8, + EM = emsa_pkcs1_v1_5_encode(Mb, K), + M = os2ip(EM), + S = rsasp1(Private, M), + i2osp(S, K); rsassa_pkcs1_v1_5_sign(Private=#ssh_key { public={N,_},private={_,_D}},Mb) -> K = (ssh_bits:isize(N)+7) div 8, @@ -192,7 +73,7 @@ rsassa_pkcs1_v1_5_sign(Private=#ssh_key { public={N,_},private={_,_D}},Mb) -> S = rsasp1(Private, M), i2osp(S, K). -rsassa_pkcs1_v1_5_verify(Public=#ssh_key { public={N,_E}}, Mb, Sb) -> +rsassa_pkcs1_v1_5_verify(#'RSAPublicKey'{modulus = N} = Public, Mb, Sb) -> K = (ssh_bits:isize(N)+7) div 8, ?ssh_assert(size(Sb) == K, invalid_signature), S = os2ip(Sb), @@ -200,9 +81,9 @@ rsassa_pkcs1_v1_5_verify(Public=#ssh_key { public={N,_E}}, Mb, Sb) -> EM = i2osp(M, K), %?dbg(true, "verify K=~p S=~w ~n#M=~w~n#EM=~w~n", [K, S, M, EM]), case emsa_pkcs1_v1_5_encode(Mb, K) of - EM -> ok; - _S -> - {error, invalid_signature} + EM -> true; + _S -> false + %%{error, invalid_signature} end. @@ -211,87 +92,13 @@ emsa_pkcs1_v1_5_encode(M, EMLen) -> %% Must use speical xxNull types here! Alg = #'AlgorithmNull' { algorithm = ?'id-sha1', parameters = <<>> }, - {ok,TCode} = 'PKCS-1':encode('DigestInfoNull', - #'DigestInfoNull'{ digestAlgorithm = Alg, - digest = H }), - T = list_to_binary(TCode), - TLen = size(T), + TCode = public_key:der_encode('DigestInfoNull', + #'DigestInfoNull'{ digestAlgorithm = Alg, + digest = H }), + TLen = size(TCode), ?ssh_assert(EMLen >= TLen + 11, message_to_short), PS = ssh_bits:fill_bits(EMLen - TLen - 3, 16#ff), - <<16#00, 16#01, PS/binary, 16#00, T/binary>>. - - -%% emsa_pss_encode(M, EMBits) -> -%% emsa_pss_encode(M, EMBits, 0). - -%% emsa_pss_encode(M, EMBits, SLen) -> -%% ?ssh_assert(size(M) =< 16#ffffffffffffffff, message_to_long), -%% EMLen = (EMBits + 7) div 8, -%% MHash = ?HASH(M), -%% ?ssh_assert(EMLen >= ?HLen + SLen + 2, encoding_error), -%% Salt = ssh_bits:random(SLen), -%% M1 = [16#00,16#00,16#00,16#00,16#00,16#00,16#00,16#00, -%% MHash, Salt], -%% H = ?HASH(M1), -%% PS = ssh_bits:fill_bits(EMLen-SLen-?HLen-2, 0), -%% DB = <>, -%% DbMask = ?MGF(H, EMLen - ?HLen -1), -%% MaskedDB = ssh_bits:xor_bits(DB, DbMask), -%% ZLen = 8*EMLen - EMBits, -%% NZLen = (8 - (ZLen rem 8)) rem 8, -%% <<_:ZLen, NZ:NZLen, MaskedDB1/binary>> = MaskedDB, -%% MaskedDB2 = <<0:ZLen, NZ:NZLen, MaskedDB1/binary>>, -%% <>. - - -%% emsa_pss_verify(M, EM, EMBits) -> -%% emsa_pss_verify(M, EM, EMBits, 0). - -%% emsa_pss_verify(M, EM, EMBits, SLen) -> -%% ?ssh_assert(size(M) =< 16#ffffffffffffffff, message_to_long), -%% EMLen = (EMBits + 7) div 8, -%% MHash = ?HASH(M), -%% ?ssh_assert(EMLen >= ?HLen + SLen + 2, inconsistent), -%% MaskLen = (EMLen - ?HLen - 1)-1, -%% ZLen = 8*EMLen - EMBits, -%% NZLen = (8 - (ZLen rem 8)) rem 8, -%% case EM of -%% <<0:ZLen,Nz:NZLen,MaskedDB1:MaskLen/binary, H:?HLen/binary, 16#BC>> -> -%% MaskedDB = <<0:ZLen,Nz:NZLen,MaskedDB1/binary>>, -%% DbMask = ?MGF(H, EMLen - ?HLen - 1), -%% DB = ssh_bits:xor_bits(MaskedDB, DbMask), -%% PSLen1 = (EMLen - SLen - ?HLen - 2) - 1, -%% PS = ssh_bits:fill_bits(PSLen1, 0), -%% case DB of -%% <<_:ZLen,0:NZLen,PS:PSLen1/binary,16#01,Salt:SLen/binary>> -> -%% M1 = [16#00,16#00,16#00,16#00,16#00,16#00,16#00,16#00, -%% MHash, Salt], -%% case ?HASH(M1) of -%% H -> ok; -%% _ -> exit(inconsistent) -%% end; -%% _ -> -%% exit(inconsistent) -%% end; -%% _ -> -%% exit(inconsistent) -%% end. - - - -%% Mask generating function MGF1 -%% mgf1(MGFSeed, MaskLen) -> -%% T = mgf1_loop(0, ((MaskLen + ?HLen -1) div ?HLen) - 1, MGFSeed, ""), -%% <> = T, -%% R. - -%% mgf1_loop(Counter, N, _, T) when Counter > N -> -%% list_to_binary(T); -%% mgf1_loop(Counter, N, MGFSeed, T) -> -%% C = i2osp(Counter, 4), -%% mgf1_loop(Counter+1, N, MGFSeed, [T, ?HASH([MGFSeed, C])]). - - + <<16#00, 16#01, PS/binary, 16#00, TCode/binary>>. alg_name() -> diff --git a/lib/ssh/src/ssh_transport.erl b/lib/ssh/src/ssh_transport.erl index de3e29e2f1..f610c71efa 100644 --- a/lib/ssh/src/ssh_transport.erl +++ b/lib/ssh/src/ssh_transport.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2004-2011. All Rights Reserved. +%% Copyright Ericsson AB 2004-2012. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -23,10 +23,11 @@ -module(ssh_transport). --include("ssh_transport.hrl"). +-include_lib("public_key/include/public_key.hrl"). +-include_lib("kernel/include/inet.hrl"). +-include("ssh_transport.hrl"). -include("ssh.hrl"). --include_lib("kernel/include/inet.hrl"). -export([connect/5, accept/4]). -export([versions/2, hello_version_msg/1]). @@ -331,6 +332,7 @@ handle_kexdh_init(#ssh_msg_kexdh_init{e = E}, Ssh0) -> }, Ssh0), %%?dbg(?DBG_KEX, "shared_secret: ~s ~n", [fmt_binary(K, 16, 4)]), %%?dbg(?DBG_KEX, "hash: ~s ~n", [fmt_binary(H, 16, 4)]), + %%Hash = crypto:sha(PlainText), {ok, SshPacket, Ssh1#ssh{keyex_key = {{Private, Public}, {G, P}}, shared_secret = K, exchanged_hash = H, @@ -364,6 +366,7 @@ handle_kexdh_reply(#ssh_msg_kexdh_reply{public_host_key = HostKey, f = F, H = kex_h(Ssh0, HostKey, Public, F, K), %%?dbg(?DBG_KEX, "shared_secret: ~s ~n", [fmt_binary(K, 16, 4)]), %%?dbg(?DBG_KEX, "hash: ~s ~n", [fmt_binary(H, 16, 4)]), + %%Hash = crypto:sha(PlainText), case verify_host_key(Ssh0, HostKey, H, H_SIG) of ok -> {SshPacket, Ssh} = ssh_packet(#ssh_msg_newkeys{}, Ssh0), @@ -427,8 +430,8 @@ get_host_key(SSH) -> case ALG#alg.hkey of 'ssh-rsa' -> case Mod:private_host_rsa_key(Scope, Opts) of - {ok,Key=#ssh_key { public={N,E}} } -> - %%?dbg(true, "x~n", []), + {ok, #'RSAPrivateKey'{modulus = N, publicExponent = E} = Key} -> + %%?dbg(true, "x~n", []), {Key, ssh_bits:encode(["ssh-rsa",E,N],[string,mpint,mpint])}; Error -> @@ -437,7 +440,7 @@ get_host_key(SSH) -> end; 'ssh-dss' -> case Mod:private_host_dsa_key(Scope, Opts) of - {ok,Key=#ssh_key { public={P,Q,G,Y}}} -> + {ok, #'DSAPrivateKey'{y = Y, p = P, q = Q, g = G} = Key} -> {Key, ssh_bits:encode(["ssh-dss",P,Q,G,Y], [string,mpint,mpint,mpint,mpint])}; Error -> @@ -447,59 +450,60 @@ get_host_key(SSH) -> exit({error, bad_key_type}) end. -sign_host_key(Ssh, Private, H) -> - ALG = Ssh#ssh.algorithms, - Module = case ALG#alg.hkey of - 'ssh-rsa' -> - ssh_rsa; - 'ssh-dss' -> - ssh_dsa - end, - case catch Module:sign(Private, H) of - {'EXIT', Reason} -> - error_logger:format("SIGN FAILED: ~p\n", [Reason]), - {error, Reason}; - SIG -> - ssh_bits:encode([Module:alg_name() ,SIG],[string,binary]) - end. +sign_host_key(_Ssh, #'RSAPrivateKey'{} = Private, H) -> + Hash = sha, %% Option ?! + Signature = public_key:sign(H, Hash, Private), + ssh_bits:encode(["ssh-rsa", Signature],[string, binary]); +sign_host_key(_Ssh, #'DSAPrivateKey'{} = Private, H) -> + Hash = sha, %% Option ?! + DerSignature = public_key:sign(H, Hash, Private), + #'Dss-Sig-Value'{r = R, s = S} = public_key:der_decode('Dss-Sig-Value', DerSignature), + RawSignature = <>, + ssh_bits:encode(["ssh-dss", RawSignature],[string, binary]). verify_host_key(SSH, K_S, H, H_SIG) -> ALG = SSH#ssh.algorithms, case ALG#alg.hkey of 'ssh-rsa' -> - case ssh_bits:decode(K_S,[string,mpint,mpint]) of - ["ssh-rsa", E, N] -> - ["ssh-rsa",SIG] = ssh_bits:decode(H_SIG,[string,binary]), - Public = #ssh_key { type=rsa, public={N,E} }, - case catch ssh_rsa:verify(Public, H, SIG) of - {'EXIT', Reason} -> - error_logger:format("VERIFY FAILED: ~p\n", [Reason]), - {error, bad_signature}; - ok -> - known_host_key(SSH, Public, "ssh-rsa") - end; - _ -> - {error, bad_format} - end; + verify_host_key_rsa(SSH, K_S, H, H_SIG); 'ssh-dss' -> - case ssh_bits:decode(K_S,[string,mpint,mpint,mpint,mpint]) of - ["ssh-dss",P,Q,G,Y] -> - ["ssh-dss",SIG] = ssh_bits:decode(H_SIG,[string,binary]), - Public = #ssh_key { type=dsa, public={P,Q,G,Y} }, - case catch ssh_dsa:verify(Public, H, SIG) of - {'EXIT', Reason} -> - error_logger:format("VERIFY FAILED: ~p\n", [Reason]), - {error, bad_signature}; - ok -> - known_host_key(SSH, Public, "ssh-dss") - end; - _ -> - {error, bad_host_key_format} - end; + verify_host_key_dss(SSH, K_S, H, H_SIG); _ -> {error, bad_host_key_algorithm} end. +verify_host_key_rsa(SSH, K_S, H, H_SIG) -> + case ssh_bits:decode(K_S,[string,mpint,mpint]) of + ["ssh-rsa", E, N] -> + ["ssh-rsa",SIG] = ssh_bits:decode(H_SIG,[string,binary]), + Public = #'RSAPublicKey'{publicExponent = E, modulus = N}, + case public_key:verify(H, sha, SIG, Public) of + false -> + {error, bad_signature}; + true -> + known_host_key(SSH, Public, "ssh-rsa") + end; + _ -> + {error, bad_format} + end. + +verify_host_key_dss(SSH, K_S, H, H_SIG) -> + case ssh_bits:decode(K_S,[string,mpint,mpint,mpint,mpint]) of + ["ssh-dss",P,Q,G,Y] -> + ["ssh-dss",SIG] = ssh_bits:decode(H_SIG,[string,binary]), + Public = {Y, #'Dss-Parms'{p = P, q = Q, g = G}}, + <> = SIG, + Signature = public_key:der_encode('Dss-Sig-Value', #'Dss-Sig-Value'{r = R, s = S}), + case public_key:verify(H, sha, Signature, Public) of + false -> + {error, bad_signature}; + true -> + known_host_key(SSH, Public, "ssh-dss") + end; + _ -> + {error, bad_host_key_format} + end. + accepted_host(Ssh, PeerName, Opts) -> case proplists:get_value(silently_accept_hosts, Opts, false) of true -> @@ -1055,6 +1059,7 @@ kex_h(SSH, K_S, E, F, K) -> [string,string,binary,binary,binary, mpint,mpint,mpint]), crypto:sha(L). + kex_h(SSH, K_S, Min, NBits, Max, Prime, Gen, E, F, K) -> L = if Min==-1; Max==-1 -> @@ -1075,7 +1080,7 @@ kex_h(SSH, K_S, Min, NBits, Max, Prime, Gen, E, F, K) -> Prime, Gen, E,F,K], Ts) end, crypto:sha(L). - + mac_key_size('hmac-sha1') -> 20*8; mac_key_size('hmac-sha1-96') -> 20*8; mac_key_size('hmac-md5') -> 16*8; diff --git a/lib/ssh/test/ssh_basic_SUITE.erl b/lib/ssh/test/ssh_basic_SUITE.erl index 73b60057cc..b44afe79c7 100644 --- a/lib/ssh/test/ssh_basic_SUITE.erl +++ b/lib/ssh/test/ssh_basic_SUITE.erl @@ -39,22 +39,12 @@ %% variable, but should NOT alter/remove any existing entries. %%-------------------------------------------------------------------- init_per_suite(Config) -> + test_server:format("Init per suite", []), case catch crypto:start() of ok -> - DataDir = ?config(data_dir, Config), - UserDir = ?config(priv_dir, Config), - ssh_test_lib:copyfile(DataDir, UserDir, "id_rsa"), - ssh_test_lib:copyfile(DataDir, UserDir, "id_dsa"), - RSAFile = filename:join(DataDir, "id_rsa.pub"), - DSAFile = filename:join(DataDir, "id_dsa.pub"), - {ok, Ssh1} = file:read_file(RSAFile), - {ok, Ssh2} = file:read_file(DSAFile), - [{RSA, _}] = public_key:ssh_decode(Ssh1,public_key), - [{DSA, _}] = public_key:ssh_decode(Ssh2,public_key), - AuthKeys = public_key:ssh_encode([{RSA, [{comment, "Test"}]}, - {DSA,[{comment, "Test"}]}], auth_keys), - AuthKeysFile = filename:join(UserDir, "authorized_keys"), - file:write_file(AuthKeysFile, AuthKeys), + DataDir = ?config(data_dir, Config), + PrivDir = ?config(priv_dir, Config), + ssh_test_lib:setup_dsa(DataDir, PrivDir), Config; _Else -> {skip, "Crypto could not be started!"} @@ -67,6 +57,10 @@ init_per_suite(Config) -> %% Description: Cleanup after the whole suite %%-------------------------------------------------------------------- end_per_suite(Config) -> + test_server:format("End per suite", []), + PrivDir = ?config(priv_dir, Config), + ssh_test_lib:clean_dsa(PrivDir), + ssh:stop(), crypto:stop(), ok. @@ -103,7 +97,7 @@ end_per_testcase(TestCase, Config) when TestCase == server_password_option; end_per_testcase(Config); end_per_testcase(_TestCase, Config) -> end_per_testcase(Config). -end_per_testcase(Config) -> +end_per_testcase(_Config) -> ssh:stop(), ok. @@ -117,7 +111,8 @@ end_per_testcase(Config) -> %%-------------------------------------------------------------------- all() -> [exec, exec_compressed, shell, daemon_already_started, - server_password_option, server_userpassword_option, known_hosts]. + server_password_option, server_userpassword_option, + known_hosts]. groups() -> []. @@ -130,17 +125,6 @@ end_per_group(_GroupName, Config) -> %% Test cases starts here. %%-------------------------------------------------------------------- -sign_and_verify_rsa(doc) -> - ["Test api function ssh:sign_data and ssh:verify_data"]; - -sign_and_verify_rsa(suite) -> - []; -sign_and_verify_rsa(Config) when is_list(Config) -> - Data = ssh:sign_data(<<"correct data">>, "ssh-rsa"), - ok = ssh:verify_data(<<"correct data">>, Data, "ssh-rsa"), - {error,invalid_signature} = ssh:verify_data(<<"incorrect data">>, Data,"ssh-rsa"). - - exec(doc) -> ["Test api function ssh_connection:exec"]; @@ -196,7 +180,7 @@ exec_compressed(suite) -> exec_compressed(Config) when is_list(Config) -> process_flag(trap_exit, true), SystemDir = ?config(data_dir, Config), - UserDir = ?config(priv_dir, Config), + UserDir = ?config(priv_dir, Config), {Pid, Host, Port} = ssh_test_lib:daemon([{system_dir, SystemDir},{user_dir, UserDir}, {compression, zlib}, @@ -231,7 +215,7 @@ shell(Config) when is_list(Config) -> process_flag(trap_exit, true), SystemDir = ?config(data_dir, Config), UserDir = ?config(priv_dir, Config), - + {_Pid, _Host, Port} = ssh_test_lib:daemon([{system_dir, SystemDir},{user_dir, UserDir}, {failfun, fun ssh_test_lib:failfun/2}]), test_server:sleep(500), @@ -301,9 +285,13 @@ daemon_already_started(suite) -> daemon_already_started(Config) when is_list(Config) -> SystemDir = ?config(data_dir, Config), + UserDir = ?config(priv_dir, Config), + {Pid, _Host, Port} = ssh_test_lib:daemon([{system_dir, SystemDir}, + {user_dir, UserDir}, {failfun, fun ssh_test_lib:failfun/2}]), {error, eaddrinuse} = ssh_test_lib:daemon(Port, [{system_dir, SystemDir}, + {user_dir, UserDir}, {failfun, fun ssh_test_lib:failfun/2}]), ssh:stop_daemon(Pid). @@ -314,10 +302,12 @@ server_password_option(doc) -> server_password_option(suite) -> []; server_password_option(Config) when is_list(Config) -> - UserDir = filename:join(?config(priv_dir, Config), nopubkey), % to make sure we don't use public-key-auth + PrivDir = ?config(priv_dir, Config), + UserDir = filename:join(PrivDir, nopubkey), % to make sure we don't use public-key-auth file:make_dir(UserDir), - SysDir = ?config(data_dir, Config), + SysDir = ?config(data_dir, Config), {Pid, Host, Port} = ssh_test_lib:daemon([{system_dir, SysDir}, + {user_dir, UserDir}, {password, "morot"}]), ConnectionRef = @@ -345,10 +335,12 @@ server_userpassword_option(doc) -> server_userpassword_option(suite) -> []; server_userpassword_option(Config) when is_list(Config) -> - UserDir = filename:join(?config(priv_dir, Config), nopubkey), % to make sure we don't use public-key-auth + PrivDir = ?config(priv_dir, Config), + UserDir = filename:join(PrivDir, nopubkey), % to make sure we don't use public-key-auth file:make_dir(UserDir), SysDir = ?config(data_dir, Config), {Pid, Host, Port} = ssh_test_lib:daemon([{system_dir, SysDir}, + {user_dir, PrivDir}, {user_passwords, [{"vego", "morot"}]}]), ConnectionRef = @@ -386,17 +378,17 @@ known_hosts(doc) -> known_hosts(suite) -> []; known_hosts(Config) when is_list(Config) -> - DataDir = ?config(data_dir, Config), - UserDir = ?config(priv_dir, Config), + DataDir = ?config(data_dir, Config), + PrivDir = ?config(priv_dir, Config), - {Pid, Host, Port} = ssh_test_lib:daemon([{user_dir, UserDir},{system_dir, DataDir}, + {Pid, Host, Port} = ssh_test_lib:daemon([{user_dir, PrivDir},{system_dir, DataDir}, {failfun, fun ssh_test_lib:failfun/2}]), - KnownHosts = filename:join(UserDir, "known_hosts"), + KnownHosts = filename:join(PrivDir, "known_hosts"), file:delete(KnownHosts), {error, enoent} = file:read_file(KnownHosts), ConnectionRef = - ssh_test_lib:connect(Host, Port, [{user_dir, UserDir}, + ssh_test_lib:connect(Host, Port, [{user_dir, PrivDir}, {user_interaction, false}, silently_accept_hosts]), {ok, _Channel} = ssh_connection:session_channel(ConnectionRef, infinity), @@ -407,7 +399,7 @@ known_hosts(Config) when is_list(Config) -> [HostAndIp, Alg, _KeyData] = string:tokens(Line, " "), [Host, _Ip] = string:tokens(HostAndIp, ","), "ssh-" ++ _ = Alg, - ssh:stop_daemon(Pid). + ssh:stop_daemon(Pid). %%-------------------------------------------------------------------- %% Internal functions diff --git a/lib/ssh/test/ssh_basic_SUITE_data/ssh_host_dsa_key b/lib/ssh/test/ssh_basic_SUITE_data/ssh_host_dsa_key index d306f8b26e..51ab6fbd88 100644 --- a/lib/ssh/test/ssh_basic_SUITE_data/ssh_host_dsa_key +++ b/lib/ssh/test/ssh_basic_SUITE_data/ssh_host_dsa_key @@ -1,13 +1,13 @@ -----BEGIN DSA PRIVATE KEY----- -MIIBvAIBAAKBgQDfi2flSTZZofwT4yQT0NikX/LGNT7UPeB/XEWe/xovEYCElfaQ -APFixXvEgXwoojmZ5kiQRKzLM39wBP0jPERLbnZXfOOD0PDnw0haMh7dD7XKVMod -/EigVgHf/qBdM2M8yz1s/rRF7n1UpLSypziKjkzCm7JoSQ2zbWIPdmBIXwIVAMgP -kpr7Sq3O7sHdb8D601DRjoExAoGAMOQxDfB2Fd8ouz6G96f/UOzRMI/Kdv8kYYKW -JIGY+pRYrLPyYzUeJznwZreOJgrczAX+luHnKFWJ2Dnk5CyeXk67Wsr7pJ/4MBMD -OKeIS0S8qoSBN8+Krp79fgA+yS3IfqbkJLtLu4EBaCX4mKQIX4++k44d4U5lc8pt -+9hlEI8CgYEAznKxx9kyC6bVo7LUYKaGhofRFt0SYFc5PVmT2VUGRs1R6+6DPD+e -uEO6IhFct7JFSRbP9p0JD4Uk+3zlZF+XX6b2PsZkeV8f/02xlNGUSmEzCSiNg1AX -Cy/WusYhul0MncWCHMcOZB5rIvU/aP5EJJtn3xrRaz6u0SThF6AnT34CFQC63czE -ZU8w8Q+H7z0j+a+70x2iAw== +MIIBuwIBAAKBgQCClaHzE2ul0gKSUxah5W0W8UiJLy4hXngKEqpaUq9SSdVdY2LK +wVfKH1gt5iuaf1FfzOhsIC9G/GLnjYttXZc92cv/Gfe3gR+s0ni2++MX+T++mE/Q +diltXv/Hp27PybS67SmiFW7I+RWnT2OKlMPtw2oUuKeztCe5UWjaj/y5FQIVAPLA +l9RpiU30Z87NRAHY3NTRaqtrAoGANMRxw8UfdtNVR0CrQj3AgPaXOGE4d+G4Gp4X +skvnCHycSVAjtYxebUkzUzt5Q6f/IabuLUdge3gXrc8BetvrcKbp+XZgM0/Vj2CF +Ymmy3in6kzGZq7Fw1sZaku6AOU8vLa5woBT2vAcHLLT1bLAzj7viL048T6MfjrOP +ef8nHvACgYBhDWFQJ1mf99sg92LalVq1dHLmVXb3PTJDfCO/Gz5NFmj9EZbAtdah +/XcF3DeRF+eEoz48wQF/ExVxSMIhLdL+o+ElpVhlM7Yii+T7dPhkQfEul6zZXu+U +ykSTXYUbtsfTNRFQGBW2/GfnEc0mnIxfn9v10NEWMzlq5z9wT9P0CgIVAN4wtL5W +Lv62jKcdskxNyz2NQoBx -----END DSA PRIVATE KEY----- diff --git a/lib/ssh/test/ssh_basic_SUITE_data/ssh_host_dsa_key.pub b/lib/ssh/test/ssh_basic_SUITE_data/ssh_host_dsa_key.pub new file mode 100644 index 0000000000..4dbb1305b0 --- /dev/null +++ b/lib/ssh/test/ssh_basic_SUITE_data/ssh_host_dsa_key.pub @@ -0,0 +1,11 @@ +---- BEGIN SSH2 PUBLIC KEY ---- +AAAAB3NzaC1kc3MAAACBAIKVofMTa6XSApJTFqHlbRbxSIkvLiFeeAoSqlpSr1JJ1V1j +YsrBV8ofWC3mK5p/UV/M6GwgL0b8YueNi21dlz3Zy/8Z97eBH6zSeLb74xf5P76YT9B2 +KW1e/8enbs/JtLrtKaIVbsj5FadPY4qUw+3DahS4p7O0J7lRaNqP/LkVAAAAFQDywJfU +aYlN9GfOzUQB2NzU0WqrawAAAIA0xHHDxR9201VHQKtCPcCA9pc4YTh34bganheyS+cI +fJxJUCO1jF5tSTNTO3lDp/8hpu4tR2B7eBetzwF62+twpun5dmAzT9WPYIViabLeKfqT +MZmrsXDWxlqS7oA5Ty8trnCgFPa8BwcstPVssDOPu+IvTjxPox+Os495/yce8AAAAIBh +DWFQJ1mf99sg92LalVq1dHLmVXb3PTJDfCO/Gz5NFmj9EZbAtdah/XcF3DeRF+eEoz48 +wQF/ExVxSMIhLdL+o+ElpVhlM7Yii+T7dPhkQfEul6zZXu+UykSTXYUbtsfTNRFQGBW2 +/GfnEc0mnIxfn9v10NEWMzlq5z9wT9P0Cg== +---- END SSH2 PUBLIC KEY ---- diff --git a/lib/ssh/test/ssh_sftp_SUITE.erl b/lib/ssh/test/ssh_sftp_SUITE.erl index a9a568ced6..a1c6673ce7 100644 --- a/lib/ssh/test/ssh_sftp_SUITE.erl +++ b/lib/ssh/test/ssh_sftp_SUITE.erl @@ -24,14 +24,12 @@ -compile(export_all). -include_lib("common_test/include/ct.hrl"). --include("test_server_line.hrl"). -include_lib("kernel/include/file.hrl"). % Default timetrap timeout -define(default_timeout, ?t:minutes(1)). --define(SFPD_PORT, 9999). -define(USER, "Alladin"). -define(PASSWD, "Sesame"). @@ -46,17 +44,12 @@ %% variable, but should NOT alter/remove any existing entries. %%-------------------------------------------------------------------- init_per_suite(Config) -> - case {catch crypto:start(),catch ssh:start()} of - {ok,ok} -> - Dir = ?config(priv_dir, Config), - {ok, _} = ssh_test_lib:get_id_keys(Dir), + case crypto:start() of + ok -> + ssh:start(), Config; - {ok,_} -> - {skip,"Could not start ssh!"}; - {_,ok} -> - {skip,"Could not start crypto!"}; - {_,_} -> - {skip,"Could not start crypto and ssh!"} + _ -> + {skip,"Could not start crypto!"} end. %%-------------------------------------------------------------------- @@ -66,9 +59,8 @@ init_per_suite(Config) -> %% Description: Cleanup after the whole suite %%-------------------------------------------------------------------- end_per_suite(Config) -> + ssh:stop(), crypto:stop(), - Dir = ?config(priv_dir, Config), - ssh_test_lib:remove_id_keys(Dir), Config. %%-------------------------------------------------------------------- @@ -89,28 +81,30 @@ init_per_testcase(_Case, Config) -> TmpConfig0 = lists:keydelete(watchdog, 1, Config), TmpConfig = lists:keydelete(sftp, 1, TmpConfig0), Dog = test_server:timetrap(?default_timeout), - Dir = ?config(priv_dir, Config), + PrivDir = ?config(priv_dir, Config), SysDir = ?config(data_dir, Config), Host = ssh_test_lib:hostname(), %% Run test against openssh server if available - Sftp = case (catch ssh_sftp:start_channel(Host, - [{user_dir, Dir}, - {user_interaction, false}, + Sftp = case (catch ssh_sftp:start_channel(Host, + [{user_interaction, false}, {silently_accept_hosts, true}])) of {ok, ChannelPid, Connection} -> + test_server:format("Running against openssh"), {ChannelPid, Connection}; - _Error -> %% Start own sftp server - {_Sftpd, _Host, _Port} = - ssh_test_lib:daemon(Host, ?SFPD_PORT, - [{system_dir, SysDir}, + _Error -> %% Start own sftp + test_server:format("Running against erlang ssh"), + {_Sftpd, Host1, Port} = + ssh_test_lib:daemon([{system_dir, SysDir}, + {user_dir, PrivDir}, {user_passwords, [{?USER, ?PASSWD}]}, {failfun, fun ssh_test_lib:failfun/2}]), - Result = (catch ssh_sftp:start_channel(Host, ?SFPD_PORT, + Result = (catch ssh_sftp:start_channel(Host1, Port, [{user, ?USER}, {password, ?PASSWD}, + {user_dir, PrivDir}, {user_interaction, false}, {silently_accept_hosts, true}])), {ok, ChannelPid, Connection} = Result, diff --git a/lib/ssh/test/ssh_sftp_SUITE_data/ssh_host_dsa_key b/lib/ssh/test/ssh_sftp_SUITE_data/ssh_host_dsa_key new file mode 100644 index 0000000000..51ab6fbd88 --- /dev/null +++ b/lib/ssh/test/ssh_sftp_SUITE_data/ssh_host_dsa_key @@ -0,0 +1,13 @@ +-----BEGIN DSA PRIVATE KEY----- +MIIBuwIBAAKBgQCClaHzE2ul0gKSUxah5W0W8UiJLy4hXngKEqpaUq9SSdVdY2LK +wVfKH1gt5iuaf1FfzOhsIC9G/GLnjYttXZc92cv/Gfe3gR+s0ni2++MX+T++mE/Q +diltXv/Hp27PybS67SmiFW7I+RWnT2OKlMPtw2oUuKeztCe5UWjaj/y5FQIVAPLA +l9RpiU30Z87NRAHY3NTRaqtrAoGANMRxw8UfdtNVR0CrQj3AgPaXOGE4d+G4Gp4X +skvnCHycSVAjtYxebUkzUzt5Q6f/IabuLUdge3gXrc8BetvrcKbp+XZgM0/Vj2CF +Ymmy3in6kzGZq7Fw1sZaku6AOU8vLa5woBT2vAcHLLT1bLAzj7viL048T6MfjrOP +ef8nHvACgYBhDWFQJ1mf99sg92LalVq1dHLmVXb3PTJDfCO/Gz5NFmj9EZbAtdah +/XcF3DeRF+eEoz48wQF/ExVxSMIhLdL+o+ElpVhlM7Yii+T7dPhkQfEul6zZXu+U +ykSTXYUbtsfTNRFQGBW2/GfnEc0mnIxfn9v10NEWMzlq5z9wT9P0CgIVAN4wtL5W +Lv62jKcdskxNyz2NQoBx +-----END DSA PRIVATE KEY----- + diff --git a/lib/ssh/test/ssh_sftp_SUITE_data/ssh_host_dsa_key.pub b/lib/ssh/test/ssh_sftp_SUITE_data/ssh_host_dsa_key.pub new file mode 100644 index 0000000000..4dbb1305b0 --- /dev/null +++ b/lib/ssh/test/ssh_sftp_SUITE_data/ssh_host_dsa_key.pub @@ -0,0 +1,11 @@ +---- BEGIN SSH2 PUBLIC KEY ---- +AAAAB3NzaC1kc3MAAACBAIKVofMTa6XSApJTFqHlbRbxSIkvLiFeeAoSqlpSr1JJ1V1j +YsrBV8ofWC3mK5p/UV/M6GwgL0b8YueNi21dlz3Zy/8Z97eBH6zSeLb74xf5P76YT9B2 +KW1e/8enbs/JtLrtKaIVbsj5FadPY4qUw+3DahS4p7O0J7lRaNqP/LkVAAAAFQDywJfU +aYlN9GfOzUQB2NzU0WqrawAAAIA0xHHDxR9201VHQKtCPcCA9pc4YTh34bganheyS+cI +fJxJUCO1jF5tSTNTO3lDp/8hpu4tR2B7eBetzwF62+twpun5dmAzT9WPYIViabLeKfqT +MZmrsXDWxlqS7oA5Ty8trnCgFPa8BwcstPVssDOPu+IvTjxPox+Os495/yce8AAAAIBh +DWFQJ1mf99sg92LalVq1dHLmVXb3PTJDfCO/Gz5NFmj9EZbAtdah/XcF3DeRF+eEoz48 +wQF/ExVxSMIhLdL+o+ElpVhlM7Yii+T7dPhkQfEul6zZXu+UykSTXYUbtsfTNRFQGBW2 +/GfnEc0mnIxfn9v10NEWMzlq5z9wT9P0Cg== +---- END SSH2 PUBLIC KEY ---- diff --git a/lib/ssh/test/ssh_sftpd_SUITE.erl b/lib/ssh/test/ssh_sftpd_SUITE.erl index 0873348be0..37a1c63b6e 100644 --- a/lib/ssh/test/ssh_sftpd_SUITE.erl +++ b/lib/ssh/test/ssh_sftpd_SUITE.erl @@ -55,13 +55,16 @@ init_per_suite(Config) -> case (catch crypto:start()) of ok -> - ssh:start(), - DataDir = ?config(data_dir, Config), - UserDir = ?config(priv_dir, Config), - ssh_test_lib:setup_dsa(UserDir, DataDir), + DataDir = ?config(data_dir, Config), + PrivDir = ?config(priv_dir, Config), + ssh_test_lib:setup_dsa(DataDir, PrivDir), + %% to make sure we don't use public-key-auth + %% this should be tested by other test suites + UserDir = filename:join(?config(priv_dir, Config), nopubkey), + file:make_dir(UserDir), Config; _ -> - {skip,"Could not start ssh!"} + {skip,"Could not start crypto!"} end. %%-------------------------------------------------------------------- @@ -71,8 +74,10 @@ init_per_suite(Config) -> %% Description: Cleanup after the whole suite %%-------------------------------------------------------------------- end_per_suite(Config) -> - UserDir = ?config(priv_dir, Config), - ssh_test_lib:clean_dsa(UserDir), + SysDir = ?config(priv_dir, Config), + ssh_test_lib:clean_dsa(SysDir), + UserDir = filename:join(?config(priv_dir, Config), nopubkey), + file:del_dir(UserDir), ssh:stop(), crypto:stop(), ok. @@ -93,15 +98,17 @@ end_per_suite(Config) -> init_per_testcase(TestCase, Config) -> ssh:start(), prep(Config), + PrivDir = ?config(priv_dir, Config), + ClientUserDir = filename:join(PrivDir, nopubkey), SysDir = ?config(data_dir, Config), {ok, Sftpd} = ssh_sftpd:listen(?SFPD_PORT, [{system_dir, SysDir}, + {user_dir, PrivDir}, {user_passwords,[{?USER, ?PASSWD}]}, {pwdfun, fun(_,_) -> true end}]), Cm = ssh_test_lib:connect(?SFPD_PORT, - [{system_dir, SysDir}, - {user_dir, SysDir}, + [{user_dir, ClientUserDir}, {user, ?USER}, {password, ?PASSWD}, {user_interaction, false}, {silently_accept_hosts, true}, diff --git a/lib/ssh/test/ssh_sftpd_SUITE_data/id_dsa b/lib/ssh/test/ssh_sftpd_SUITE_data/id_dsa new file mode 100644 index 0000000000..d306f8b26e --- /dev/null +++ b/lib/ssh/test/ssh_sftpd_SUITE_data/id_dsa @@ -0,0 +1,13 @@ +-----BEGIN DSA PRIVATE KEY----- +MIIBvAIBAAKBgQDfi2flSTZZofwT4yQT0NikX/LGNT7UPeB/XEWe/xovEYCElfaQ +APFixXvEgXwoojmZ5kiQRKzLM39wBP0jPERLbnZXfOOD0PDnw0haMh7dD7XKVMod +/EigVgHf/qBdM2M8yz1s/rRF7n1UpLSypziKjkzCm7JoSQ2zbWIPdmBIXwIVAMgP +kpr7Sq3O7sHdb8D601DRjoExAoGAMOQxDfB2Fd8ouz6G96f/UOzRMI/Kdv8kYYKW +JIGY+pRYrLPyYzUeJznwZreOJgrczAX+luHnKFWJ2Dnk5CyeXk67Wsr7pJ/4MBMD +OKeIS0S8qoSBN8+Krp79fgA+yS3IfqbkJLtLu4EBaCX4mKQIX4++k44d4U5lc8pt ++9hlEI8CgYEAznKxx9kyC6bVo7LUYKaGhofRFt0SYFc5PVmT2VUGRs1R6+6DPD+e +uEO6IhFct7JFSRbP9p0JD4Uk+3zlZF+XX6b2PsZkeV8f/02xlNGUSmEzCSiNg1AX +Cy/WusYhul0MncWCHMcOZB5rIvU/aP5EJJtn3xrRaz6u0SThF6AnT34CFQC63czE +ZU8w8Q+H7z0j+a+70x2iAw== +-----END DSA PRIVATE KEY----- + diff --git a/lib/ssh/test/ssh_sftpd_erlclient_SUITE.erl b/lib/ssh/test/ssh_sftpd_erlclient_SUITE.erl index c63ad7de73..ca189d4b02 100644 --- a/lib/ssh/test/ssh_sftpd_erlclient_SUITE.erl +++ b/lib/ssh/test/ssh_sftpd_erlclient_SUITE.erl @@ -28,7 +28,6 @@ -include_lib("kernel/include/file.hrl"). --define(SSHD_PORT, 9999). -define(USER, "Alladin"). -define(PASSWD, "Sesame"). -define(SSH_MAX_PACKET_SIZE, 32768). @@ -48,14 +47,14 @@ init_per_suite(Config) -> case catch crypto:start() of ok -> DataDir = ?config(data_dir, Config), - UserDir = ?config(priv_dir, Config), + PrivDir = ?config(priv_dir, Config), FileAlt = filename:join(DataDir, "ssh_sftpd_file_alt.erl"), c:c(FileAlt), FileName = filename:join(DataDir, "test.txt"), {ok, FileInfo} = file:read_file_info(FileName), ok = file:write_file_info(FileName, FileInfo#file_info{mode = 8#400}), - ssh_test_lib:setup_dsa(DataDir, UserDir), + ssh_test_lib:setup_dsa(DataDir, PrivDir), Config; _Else -> {skip,"Could not start ssh!"} @@ -67,9 +66,11 @@ init_per_suite(Config) -> %% A list of key/value pairs, holding the test case configuration. %% Description: Cleanup after the whole suite %%-------------------------------------------------------------------- -end_per_suite(Config) -> - UserDir = ?config(priv_dir, Config), - ssh_test_lib:clean_dsa(UserDir), +end_per_suite(Config) -> + UserDir = filename:join(?config(priv_dir, Config), nopubkey), + file:del_dir(UserDir), + SysDir = ?config(priv_dir, Config), + ssh_test_lib:clean_dsa(SysDir), crypto:stop(), ok. @@ -89,6 +90,7 @@ end_per_suite(Config) -> init_per_testcase(TestCase, Config) -> ssh:start(), PrivDir = ?config(priv_dir, Config), + DataDir = ?config(data_dir, Config), Options = case atom_to_list(TestCase) of @@ -96,45 +98,39 @@ init_per_testcase(TestCase, Config) -> Spec = ssh_sftpd:subsystem_spec([{file_handler, ssh_sftpd_file_alt}]), - [{user_passwords,[{?USER, ?PASSWD}]}, - {pwdfun, fun(_,_) -> true end}, - {system_dir, PrivDir}, + [{system_dir, DataDir}, + {user_dir, PrivDir}, {subsystems, [Spec]}]; "root_dir" -> Privdir = ?config(priv_dir, Config), Root = filename:join(Privdir, root), file:make_dir(Root), Spec = ssh_sftpd:subsystem_spec([{root,Root}]), - [{user_passwords,[{?USER, ?PASSWD}]}, - {pwdfun, fun(_,_) -> true end}, - {system_dir, PrivDir}, + [{system_dir, DataDir}, + {user_dir, PrivDir}, {subsystems, [Spec]}]; "list_dir_limited" -> Spec = ssh_sftpd:subsystem_spec([{max_files,1}]), - [{user_passwords,[{?USER, ?PASSWD}]}, - {pwdfun, fun(_,_) -> true end}, - {system_dir, PrivDir}, + [{system_dir, DataDir}, + {user_dir, PrivDir}, {subsystems, [Spec]}]; _ -> - [{user_passwords,[{?USER, ?PASSWD}]}, - {pwdfun, fun(_,_) -> true end}, - {system_dir, PrivDir}] + [{user_dir, PrivDir}, + {system_dir, DataDir}] end, - {Sftpd, Host, _Port} = ssh_test_lib:daemon(any, ?SSHD_PORT, Options), + {Sftpd, Host, Port} = ssh_test_lib:daemon(Options), {ok, ChannelPid, Connection} = - ssh_sftp:start_channel(Host, ?SSHD_PORT, + ssh_sftp:start_channel(Host, Port, [{silently_accept_hosts, true}, - {user, ?USER}, {password, ?PASSWD}, - {pwdfun, fun(_,_) -> true end}, {user_dir, PrivDir}, {timeout, 30000}]), TmpConfig = lists:keydelete(sftp, 1, Config), NewConfig = lists:keydelete(sftpd, 1, TmpConfig), - [{sftp, {ChannelPid, Connection}}, {sftpd, Sftpd} | NewConfig]. + [{port, Port}, {sftp, {ChannelPid, Connection}}, {sftpd, Sftpd} | NewConfig]. %%-------------------------------------------------------------------- %% Function: end_per_testcase(TestCase, Config) -> _ @@ -214,6 +210,8 @@ quit_OTP_6349(suite) -> quit_OTP_6349(Config) when is_list(Config) -> DataDir = ?config(data_dir, Config), FileName = filename:join(DataDir, "test.txt"), + UserDir = ?config(priv_dir, Config), + Port = ?config(port, Config), {Sftp, _} = ?config(sftp, Config), @@ -224,11 +222,10 @@ quit_OTP_6349(Config) when is_list(Config) -> Host = ssh_test_lib:hostname(), timer:sleep(5000), - {ok, NewSftp, _Conn} = ssh_sftp:start_channel(Host, ?SSHD_PORT, + {ok, NewSftp, _Conn} = ssh_sftp:start_channel(Host, Port, [{silently_accept_hosts, true}, {pwdfun, fun(_,_) -> true end}, - {system_dir, DataDir}, - {user_dir, DataDir}, + {user_dir, UserDir}, {user, ?USER}, {password, ?PASSWD}]), {ok, <<_/binary>>} = ssh_sftp:read_file(NewSftp, FileName), diff --git a/lib/ssh/test/ssh_sftpd_erlclient_SUITE_data/id_dsa b/lib/ssh/test/ssh_sftpd_erlclient_SUITE_data/id_dsa new file mode 100644 index 0000000000..d306f8b26e --- /dev/null +++ b/lib/ssh/test/ssh_sftpd_erlclient_SUITE_data/id_dsa @@ -0,0 +1,13 @@ +-----BEGIN DSA PRIVATE KEY----- +MIIBvAIBAAKBgQDfi2flSTZZofwT4yQT0NikX/LGNT7UPeB/XEWe/xovEYCElfaQ +APFixXvEgXwoojmZ5kiQRKzLM39wBP0jPERLbnZXfOOD0PDnw0haMh7dD7XKVMod +/EigVgHf/qBdM2M8yz1s/rRF7n1UpLSypziKjkzCm7JoSQ2zbWIPdmBIXwIVAMgP +kpr7Sq3O7sHdb8D601DRjoExAoGAMOQxDfB2Fd8ouz6G96f/UOzRMI/Kdv8kYYKW +JIGY+pRYrLPyYzUeJznwZreOJgrczAX+luHnKFWJ2Dnk5CyeXk67Wsr7pJ/4MBMD +OKeIS0S8qoSBN8+Krp79fgA+yS3IfqbkJLtLu4EBaCX4mKQIX4++k44d4U5lc8pt ++9hlEI8CgYEAznKxx9kyC6bVo7LUYKaGhofRFt0SYFc5PVmT2VUGRs1R6+6DPD+e +uEO6IhFct7JFSRbP9p0JD4Uk+3zlZF+XX6b2PsZkeV8f/02xlNGUSmEzCSiNg1AX +Cy/WusYhul0MncWCHMcOZB5rIvU/aP5EJJtn3xrRaz6u0SThF6AnT34CFQC63czE +ZU8w8Q+H7z0j+a+70x2iAw== +-----END DSA PRIVATE KEY----- + diff --git a/lib/ssh/test/ssh_test_lib.erl b/lib/ssh/test/ssh_test_lib.erl index f4e95f9bfb..abe65700c5 100644 --- a/lib/ssh/test/ssh_test_lib.erl +++ b/lib/ssh/test/ssh_test_lib.erl @@ -71,6 +71,9 @@ daemon(Host, Port, Options) -> start_shell(Port, IOServer, UserDir) -> spawn_link(?MODULE, init_shell, [Port, IOServer, [{user_dir, UserDir}]]). +start_shell(Port, IOServer) -> + spawn_link(?MODULE, init_shell, [Port, IOServer, []]). + init_shell(Port, IOServer, UserDir) -> Host = hostname(), Options = [{user_interaction, false}, {silently_accept_hosts, @@ -91,13 +94,10 @@ init_io_server(TestCase) -> loop_io_server(TestCase, Buff0) -> receive {input, TestCase, Line} -> - %io:format("~p~n",[{input, TestCase, Line}]), loop_io_server(TestCase, Buff0 ++ [Line]); {io_request, From, ReplyAs, Request} -> - %io:format("request -> ~p~n",[Request]), {ok, Reply, Buff} = io_request(Request, TestCase, From, ReplyAs, Buff0), - %io:format("reply -> ~p~n",[Reply]), io_reply(From, ReplyAs, Reply), loop_io_server(TestCase, Buff); {'EXIT',_, _} -> @@ -183,34 +183,21 @@ inet_port()-> gen_tcp:close(Socket), Port. - -%% copy private keys to given dir from ~/.ssh -get_id_keys(DstDir) -> - SrcDir = filename:join(os:getenv("HOME"), ".ssh"), - RsaOk = copyfile(SrcDir, DstDir, "id_rsa"), - DsaOk = copyfile(SrcDir, DstDir, "id_dsa"), - case {RsaOk, DsaOk} of - {{ok, _}, {ok, _}} -> {ok, both}; - {{ok, _}, _} -> {ok, rsa}; - {_, {ok, _}} -> {ok, dsa}; - {Error, _} -> Error - end. - -remove_id_keys(Dir) -> - file:delete(filename:join(Dir, "id_rsa")), - file:delete(filename:join(Dir, "id_dsa")). - -copyfile(SrcDir, DstDir, FileName) -> - Dest = filename:join(DstDir, FileName), - Result = file:copy(filename:join(SrcDir, FileName), Dest), - {ok, Pem} = file:read_file(Dest), - case public_key:pem_decode(Pem) of - [{_,_, not_encrypted}] -> - Result; +setup_ssh_auth_keys(RSAFile, DSAFile, Dir) -> + Entries = ssh_file_entry(RSAFile) ++ ssh_file_entry(DSAFile), + AuthKeys = public_key:ssh_encode(Entries , auth_keys), + AuthKeysFile = filename:join(Dir, "authorized_keys"), + file:write_file(AuthKeysFile, AuthKeys). + +ssh_file_entry(PubFile) -> + case file:read_file(PubFile) of + {ok, Ssh} -> + [{Key, _}] = public_key:ssh_decode(Ssh, public_key), + [{Key, [{comment, "Test"}]}]; _ -> - {error, "Has pass phrase can not be used by automated test case"} - end. - + [] + end. + failfun(_User, {authmethod,none}) -> ok; failfun(User, Reason) -> @@ -232,25 +219,41 @@ known_hosts(BR) -> end. setup_dsa(DataDir, UserDir) -> - ssh_test_lib:copyfile(DataDir, UserDir, "ssh_host_dsa_key"), - ssh_test_lib:copyfile(DataDir, UserDir, "ssh_host_dsa_key.pub"), - {ok, Pem} = file:read_file(filename:join(UserDir, "ssh_host_dsa_key")), - DSA = public_key:pem_entry_decode(hd(public_key:pem_decode(Pem))), - PKey = DSA#'DSAPrivateKey'.y, - P = DSA#'DSAPrivateKey'.p, - Q = DSA#'DSAPrivateKey'.q, - G = DSA#'DSAPrivateKey'.g, - Dss = #'Dss-Parms'{p=P, q=Q, g=G}, + file:copy(filename:join(DataDir, "id_dsa"), filename:join(UserDir, "id_dsa")), + setup_dsa_known_host(DataDir, UserDir), + setup_dsa_auth_keys(DataDir, UserDir). + +clean_dsa(UserDir) -> + file:delete(filename:join(UserDir,"id_dsa")), + file:delete(filename:join(UserDir,"known_hosts")), + file:delete(filename:join(UserDir,"authorized_keys")). + +setup_dsa_known_host(SystemDir, UserDir) -> + {ok, SshBin} = file:read_file(filename:join(SystemDir, "ssh_host_dsa_key.pub")), + [{Key, _}] = public_key:ssh_decode(SshBin, public_key), + setup_known_hosts(Key, UserDir). + +setup_known_hosts(Key, UserDir) -> {ok, Hostname} = inet:gethostname(), {ok, {A, B, C, D}} = inet:getaddr(Hostname, inet), IP = lists:concat([A, ".", B, ".", C, ".", D]), - HostNames = [{hostnames,[IP, IP]}], - KnownHosts = [{{PKey, Dss}, HostNames}], + HostNames = [{hostnames,[Hostname, IP]}], + KnownHosts = [{Key, HostNames}], KnownHostsEnc = public_key:ssh_encode(KnownHosts, known_hosts), KHFile = filename:join(UserDir, "known_hosts"), file:write_file(KHFile, KnownHostsEnc). -clean_dsa(UserDir) -> - file:delete(filename:join(UserDir, "ssh_host_dsa_key")), - file:delete(filename:join(UserDir, "ssh_host_dsa_key.pub")), - file:delete(filename:join(UserDir, "known_hosts")). +setup_dsa_auth_keys(Dir, UserDir) -> + {ok, Pem} = file:read_file(filename:join(Dir, "id_dsa")), + DSA = public_key:pem_entry_decode(hd(public_key:pem_decode(Pem))), + PKey = DSA#'DSAPrivateKey'.y, + P = DSA#'DSAPrivateKey'.p, + Q = DSA#'DSAPrivateKey'.q, + G = DSA#'DSAPrivateKey'.g, + Dss = #'Dss-Parms'{p=P, q=Q, g=G}, + setup_auth_keys([{{PKey, Dss}, [{comment, "Test"}]}], UserDir). + +setup_auth_keys(Keys, Dir) -> + AuthKeys = public_key:ssh_encode(Keys, auth_keys), + AuthKeysFile = filename:join(Dir, "authorized_keys"), + file:write_file(AuthKeysFile, AuthKeys). diff --git a/lib/ssh/test/ssh_to_openssh_SUITE.erl b/lib/ssh/test/ssh_to_openssh_SUITE.erl index 53d04620c5..9fb24ba3f3 100644 --- a/lib/ssh/test/ssh_to_openssh_SUITE.erl +++ b/lib/ssh/test/ssh_to_openssh_SUITE.erl @@ -76,6 +76,7 @@ end_per_suite(_Config) -> %% Description: Initialization before each test case %%-------------------------------------------------------------------- init_per_testcase(_TestCase, Config) -> + test_server:format("Init per test case~n", []), ssh:start(), Config. @@ -119,18 +120,15 @@ groups() -> erlang_client_openssh_server_password]}, {erlang_server, [], [erlang_server_openssh_client_exec, erlang_server_openssh_client_exec_compressed, - erlang_server_openssh_client_pulic_key_dsa, - erlang_client_openssh_server_password]} + erlang_server_openssh_client_pulic_key_dsa]} ]. init_per_group(erlang_server, Config) -> DataDir = ?config(data_dir, Config), UserDir = ?config(priv_dir, Config), - ssh_test_lib:setup_dsa(DataDir, UserDir), + ssh_test_lib:setup_dsa_known_host(DataDir, UserDir), Config; init_per_group(_, Config) -> - Dir = ?config(priv_dir, Config), - {ok, _} = ssh_test_lib:get_id_keys(Dir), Config. end_per_group(erlang_server, Config) -> @@ -138,8 +136,6 @@ end_per_group(erlang_server, Config) -> ssh_test_lib:clean_dsa(UserDir), Config; end_per_group(_, Config) -> - Dir = ?config(priv_dir, Config), - ssh_test_lib:remove_id_keys(Dir), Config. %% TEST cases starts here. @@ -152,9 +148,8 @@ erlang_shell_client_openssh_server(suite) -> erlang_shell_client_openssh_server(Config) when is_list(Config) -> process_flag(trap_exit, true), - UserDir = ?config(priv_dir, Config), IO = ssh_test_lib:start_io_server(), - Shell = ssh_test_lib:start_shell(?SSH_DEFAULT_PORT, IO, UserDir), + Shell = ssh_test_lib:start_shell(?SSH_DEFAULT_PORT, IO), IO ! {input, self(), "echo Hej\n"}, receive_hej(), IO ! {input, self(), "exit\n"}, @@ -250,8 +245,10 @@ erlang_server_openssh_client_exec(suite) -> []; erlang_server_openssh_client_exec(Config) when is_list(Config) -> - SystemDir = ?config(priv_dir, Config), - + SystemDir = ?config(data_dir, Config), + PrivDir = ?config(priv_dir, Config), + KnownHosts = filename:join(PrivDir, "known_hosts"), + {Pid, Host, Port} = ssh_test_lib:daemon([{system_dir, SystemDir}, {failfun, fun ssh_test_lib:failfun/2}]), @@ -259,7 +256,10 @@ erlang_server_openssh_client_exec(Config) when is_list(Config) -> test_server:sleep(500), Cmd = "ssh -p " ++ integer_to_list(Port) ++ - " -o StrictHostKeyChecking=no "++ Host ++ " 1+1.", + " -o UserKnownHostsFile=" ++ KnownHosts ++ " " ++ Host ++ " 1+1.", + + test_server:format("Cmd: ~p~n", [Cmd]), + SshPort = open_port({spawn, Cmd}, [binary]), receive @@ -279,7 +279,10 @@ erlang_server_openssh_client_exec_compressed(suite) -> []; erlang_server_openssh_client_exec_compressed(Config) when is_list(Config) -> - SystemDir = ?config(priv_dir, Config), + SystemDir = ?config(data_dir, Config), + PrivDir = ?config(priv_dir, Config), + KnownHosts = filename:join(PrivDir, "known_hosts"), + {Pid, Host, Port} = ssh_test_lib:daemon([{system_dir, SystemDir}, {compression, zlib}, {failfun, fun ssh_test_lib:failfun/2}]), @@ -287,7 +290,7 @@ erlang_server_openssh_client_exec_compressed(Config) when is_list(Config) -> test_server:sleep(500), Cmd = "ssh -p " ++ integer_to_list(Port) ++ - " -o StrictHostKeyChecking=no -C "++ Host ++ " 1+1.", + " -o UserKnownHostsFile=" ++ KnownHosts ++ " -C "++ Host ++ " 1+1.", SshPort = open_port({spawn, Cmd}, [binary]), receive @@ -352,26 +355,27 @@ erlang_client_openssh_server_publickey_rsa(suite) -> []; erlang_client_openssh_server_publickey_rsa(Config) when is_list(Config) -> {ok,[[Home]]} = init:get_argument(home), - SrcDir = filename:join(Home, ".ssh"), - UserDir = ?config(priv_dir, Config), - case ssh_test_lib:copyfile(SrcDir, UserDir, "id_rsa") of - {ok, _} -> - ConnectionRef = - ssh_test_lib:connect(?SSH_DEFAULT_PORT, - [{user_dir, UserDir}, - {public_key_alg, ssh_rsa}, - {user_interaction, false}, - silently_accept_hosts]), - {ok, Channel} = - ssh_connection:session_channel(ConnectionRef, infinity), - ok = ssh_connection:close(ConnectionRef, Channel), - ok = ssh:close(ConnectionRef), - ok = file:delete(filename:join(UserDir, "id_rsa")); - {error, enoent} -> - {skip, "no ~/.ssh/id_rsa"}; - {error, Reason} -> - {skip, Reason} + KeyFile = filename:join(Home, ".ssh/id_rsa"), + case file:read_file(KeyFile) of + {ok, Pem} -> + case public_key:pem_decode(Pem) of + [{_,_, not_encrypted}] -> + ConnectionRef = + ssh_test_lib:connect(?SSH_DEFAULT_PORT, + [{public_key_alg, ssh_rsa}, + {user_interaction, false}, + silently_accept_hosts]), + {ok, Channel} = + ssh_connection:session_channel(ConnectionRef, infinity), + ok = ssh_connection:close(ConnectionRef, Channel), + ok = ssh:close(ConnectionRef); + _ -> + {skip, {error, "Has pass phrase can not be used by automated test case"}} + end; + _ -> + {skip, "no ~/.ssh/id_rsa"} end. + %%-------------------------------------------------------------------- erlang_client_openssh_server_publickey_dsa(doc) -> @@ -380,27 +384,26 @@ erlang_client_openssh_server_publickey_dsa(suite) -> []; erlang_client_openssh_server_publickey_dsa(Config) when is_list(Config) -> {ok,[[Home]]} = init:get_argument(home), - SrcDir = filename:join(Home, ".ssh"), - UserDir = ?config(priv_dir, Config), - case ssh_test_lib:copyfile(SrcDir, UserDir, "id_dsa") of - {ok, _} -> - ConnectionRef = - ssh_test_lib:connect(?SSH_DEFAULT_PORT, - [{user_dir, UserDir}, - {public_key_alg, ssh_dsa}, - {user_interaction, false}, - silently_accept_hosts]), - {ok, Channel} = - ssh_connection:session_channel(ConnectionRef, infinity), - ok = ssh_connection:close(ConnectionRef, Channel), - ok = ssh:close(ConnectionRef), - ok = file:delete(filename:join(UserDir, "id_dsa")); - {error, enoent} -> - {skip, "no ~/.ssh/id_dsa"}; - {error, Reason} -> - {skip, Reason} + KeyFile = filename:join(Home, ".ssh/id_dsa"), + case file:read_file(KeyFile) of + {ok, Pem} -> + case public_key:pem_decode(Pem) of + [{_,_, not_encrypted}] -> + ConnectionRef = + ssh_test_lib:connect(?SSH_DEFAULT_PORT, + [{public_key_alg, ssh_dsa}, + {user_interaction, false}, + silently_accept_hosts]), + {ok, Channel} = + ssh_connection:session_channel(ConnectionRef, infinity), + ok = ssh_connection:close(ConnectionRef, Channel), + ok = ssh:close(ConnectionRef); + _ -> + {skip, {error, "Has pass phrase can not be used by automated test case"}} + end; + _ -> + {skip, "no ~/.ssh/id_dsa"} end. - %%-------------------------------------------------------------------- erlang_server_openssh_client_pulic_key_dsa(doc) -> ["Validate using dsa publickey."]; @@ -409,7 +412,10 @@ erlang_server_openssh_client_pulic_key_dsa(suite) -> []; erlang_server_openssh_client_pulic_key_dsa(Config) when is_list(Config) -> - SystemDir = ?config(priv_dir, Config), + SystemDir = ?config(data_dir, Config), + PrivDir = ?config(priv_dir, Config), + KnownHosts = filename:join(PrivDir, "known_hosts"), + {Pid, Host, Port} = ssh_test_lib:daemon([{system_dir, SystemDir}, {public_key_alg, ssh_dsa}, {failfun, fun ssh_test_lib:failfun/2}]), @@ -417,7 +423,8 @@ erlang_server_openssh_client_pulic_key_dsa(Config) when is_list(Config) -> test_server:sleep(500), Cmd = "ssh -p " ++ integer_to_list(Port) ++ - " -o StrictHostKeyChecking=no "++ Host ++ " 1+1.", + " -o UserKnownHostsFile=" ++ KnownHosts ++ + " " ++ Host ++ " 1+1.", SshPort = open_port({spawn, Cmd}, [binary]), receive @@ -425,7 +432,6 @@ erlang_server_openssh_client_pulic_key_dsa(Config) when is_list(Config) -> ok after ?TIMEOUT -> test_server:fail("Did not receive answer") - end, ssh:stop_daemon(Pid). diff --git a/lib/ssh/test/ssh_to_openssh_SUITE_data/ssh_host_rsa_key b/lib/ssh/test/ssh_to_openssh_SUITE_data/ssh_host_rsa_key new file mode 100644 index 0000000000..79968bdd7d --- /dev/null +++ b/lib/ssh/test/ssh_to_openssh_SUITE_data/ssh_host_rsa_key @@ -0,0 +1,16 @@ +-----BEGIN RSA PRIVATE KEY----- +MIICXQIBAAKBgQDCZX+4FBDwZIh9y/Uxee1VJnEXlowpz2yDKwj8semM4q843337 +zbNfxHmladB1lpz2NqyxI175xMIJuDxogyZdsOxGnFAzAnthR4dqL/RWRWzjaxSB +6IAO9SPYVVlrpZ+1hsjLW79fwXK/yc8VdhRuWTeQiRgYY2ek8+OKbOqz4QIDAQAB +AoGANmvJzJO5hkLuvyDZHKfAnGTtpifcR1wtSa9DjdKUyn8vhKF0mIimnbnYQEmW +NUUb3gXCZLi9PvkpRSVRrASDOZwcjoU/Kvww163vBUVb2cOZfFhyn6o2Sk88Tt++ +udH3hdjpf9i7jTtUkUe+QYPsia+wgvvrmn4QrahLAH86+kECQQDx5gFeXTME3cnW +WMpFz3PPumduzjqgqMMWEccX4FtQkMX/gyGa5UC7OHFyh0N/gSWvPbRHa8A6YgIt +n8DO+fh5AkEAzbqX4DOn8NY6xJIi42q7l/2jIA0RkB6P7YugW5NblhqBZ0XDnpA5 +sMt+rz+K07u9XZtxgh1xi7mNfwY6lEAMqQJBAJBEauCKmRj35Z6OyeQku59SPsnY ++SJEREVvSNw2lH9SOKQQ4wPsYlTGbvKtNVZgAcen91L5MmYfeckYE/fdIZECQQCt +64zxsTnM1I8iFxj/gP/OYlJBikrKt8udWmjaghzvLMEw+T2DExJyb9ZNeT53+UMB +m6O+B/4xzU/djvp+0hbhAkAemIt+rA5kTmYlFndhpvzkSSM8a2EXsO4XIPgGWCTT +tQKS/tTly0ADMjN/TVy11+9d6zcqadNVuHXHGtR4W0GR +-----END RSA PRIVATE KEY----- + diff --git a/lib/ssh/test/ssh_to_openssh_SUITE_data/ssh_host_rsa_key.pub b/lib/ssh/test/ssh_to_openssh_SUITE_data/ssh_host_rsa_key.pub new file mode 100644 index 0000000000..75d2025c71 --- /dev/null +++ b/lib/ssh/test/ssh_to_openssh_SUITE_data/ssh_host_rsa_key.pub @@ -0,0 +1,5 @@ +---- BEGIN SSH2 PUBLIC KEY ---- +AAAAB3NzaC1yc2EAAAADAQABAAAAgQDCZX+4FBDwZIh9y/Uxee1VJnEXlowpz2yDKwj8 +semM4q843337zbNfxHmladB1lpz2NqyxI175xMIJuDxogyZdsOxGnFAzAnthR4dqL/RW +RWzjaxSB6IAO9SPYVVlrpZ+1hsjLW79fwXK/yc8VdhRuWTeQiRgYY2ek8+OKbOqz4Q== +---- END SSH2 PUBLIC KEY ---- -- cgit v1.2.3 From 8d20de278b3ef69ea470bfb35e5999750214e3a1 Mon Sep 17 00:00:00 2001 From: Ingela Anderton Andin Date: Tue, 31 Jan 2012 16:12:30 +0100 Subject: Removed no longer needed code --- lib/ssh/doc/src/ssh.xml | 35 +------------ lib/ssh/src/DSS.asn1 | 20 ------- lib/ssh/src/Makefile | 22 ++------ lib/ssh/src/PKCS-1.asn1 | 116 ----------------------------------------- lib/ssh/src/prebuild.skip | 2 - lib/ssh/src/ssh.app.src | 6 +-- lib/ssh/src/ssh.erl | 80 ++++++++++++++-------------- lib/ssh/src/ssh.hrl | 14 +---- lib/ssh/src/ssh_auth.erl | 65 +++++++++-------------- lib/ssh/src/ssh_bits.erl | 6 +-- lib/ssh/src/ssh_connection.erl | 4 +- lib/ssh/src/ssh_dsa.erl | 71 ------------------------- lib/ssh/src/ssh_file.erl | 5 -- lib/ssh/src/ssh_rsa.erl | 105 ------------------------------------- lib/ssh/src/ssh_sftpd.erl | 16 +----- lib/ssh/src/ssh_transport.erl | 108 ++------------------------------------ lib/ssh/src/ssh_xfer.erl | 16 +----- 17 files changed, 80 insertions(+), 611 deletions(-) delete mode 100644 lib/ssh/src/DSS.asn1 delete mode 100644 lib/ssh/src/PKCS-1.asn1 delete mode 100644 lib/ssh/src/prebuild.skip delete mode 100644 lib/ssh/src/ssh_dsa.erl delete mode 100644 lib/ssh/src/ssh_rsa.erl (limited to 'lib/ssh') diff --git a/lib/ssh/doc/src/ssh.xml b/lib/ssh/doc/src/ssh.xml index 2c5096a25f..0f7add6d36 100644 --- a/lib/ssh/doc/src/ssh.xml +++ b/lib/ssh/doc/src/ssh.xml @@ -1,10 +1,10 @@ - +
- 20042010 + 20042012 Ericsson AB. All Rights Reserved. @@ -282,22 +282,6 @@ - - sign_data(Data, Algorithm) -> Signature | {error, Reason} - - - Data = binary() - Algorithm = "ssh-rsa" - Signature = binary() - Reason = term() - - -

Signs the supplied binary using the SSH key. -

- - - - start() -> start(Type) -> ok | {error, Reason} @@ -356,21 +340,6 @@ - - verify_data(Data, Signature, Algorithm) -> ok | {error, Reason} - - - Data = binary() - Algorithm = "ssh-rsa" - Signature = binary() - Reason = term() - - -

Verifies the supplied binary against the binary signature. -

- - - diff --git a/lib/ssh/src/DSS.asn1 b/lib/ssh/src/DSS.asn1 deleted file mode 100644 index 77aca3808b..0000000000 --- a/lib/ssh/src/DSS.asn1 +++ /dev/null @@ -1,20 +0,0 @@ -DSS DEFINITIONS EXPLICIT TAGS ::= - -BEGIN - --- EXPORTS ALL --- All types and values defined in this module are exported for use --- in other ASN.1 modules. - -DSAPrivateKey ::= SEQUENCE { - version INTEGER, - p INTEGER, -- p - q INTEGER, -- q - g INTEGER, -- q - y INTEGER, -- y - x INTEGER -- x -} - -END - - diff --git a/lib/ssh/src/Makefile b/lib/ssh/src/Makefile index a49f207564..cd9618c139 100644 --- a/lib/ssh/src/Makefile +++ b/lib/ssh/src/Makefile @@ -56,12 +56,10 @@ MODULES= \ ssh_auth\ ssh_bits \ ssh_cli \ - ssh_dsa \ ssh_file \ ssh_io \ ssh_math \ ssh_no_io \ - ssh_rsa \ ssh_sftp \ ssh_sftpd \ ssh_sftpd_file\ @@ -72,9 +70,9 @@ MODULES= \ PUBLIC_HRL_FILES= ssh.hrl ssh_userauth.hrl ssh_xfer.hrl -ERL_FILES= $(MODULES:%=%.erl) $(ASN_ERLS) +ERL_FILES= $(MODULES:%=%.erl) -ALL_MODULES= $(MODULES) $(ASN_MODULES) +ALL_MODULES= $(MODULES) TARGET_FILES= $(ALL_MODULES:%=$(EBIN)/%.$(EMULATOR)) $(APP_TARGET) $(APPUP_TARGET) @@ -87,16 +85,7 @@ APP_TARGET= $(EBIN)/$(APP_FILE) APPUP_SRC= $(APPUP_FILE).src APPUP_TARGET= $(EBIN)/$(APPUP_FILE) -ASN_MODULES = PKCS-1 DSS -ASN_ASNS = $(ASN_MODULES:%=%.asn1) -ASN_ERLS = $(ASN_MODULES:%=%.erl) -ASN_HRLS = $(ASN_MODULES:%=%.hrl) -ASN_DBS = $(ASN_MODULES:%=%.asn1db) -ASN_TABLES = $(ASN_MODULES:%=%.table) - -ASN_FLAGS = -bber_bin +der +compact_bit_string +optimize +noobj +inline - -INTERNAL_HRL_FILES = $(ASN_HRLS) ssh_auth.hrl ssh_connect.hrl ssh_transport.hrl +INTERNAL_HRL_FILES = ssh_auth.hrl ssh_connect.hrl ssh_transport.hrl # ---------------------------------------------------- # FLAGS @@ -114,7 +103,6 @@ debug: ERLC_FLAGS += -Ddebug clean: rm -f $(TARGET_FILES) rm -f errs core *~ - rm -f $(ASN_ERLS) $(ASN_HRLS) $(ASN_DBS) $(TARGET_FILES): ssh.hrl @@ -127,10 +115,6 @@ $(APP_TARGET): $(APP_SRC) ../vsn.mk $(APPUP_TARGET): $(APPUP_SRC) ../vsn.mk sed -e 's;%VSN%;$(VSN);' $< > $@ -%.erl %.hrl: %.asn1 - $(ERLC) $(ASN_FLAGS) $< - -$(EBIN)/ssh_file.$(EMULATOR) $(EBIN)/ssh_rsa.$(EMULATOR): $(ASN_HRLS) docs: diff --git a/lib/ssh/src/PKCS-1.asn1 b/lib/ssh/src/PKCS-1.asn1 deleted file mode 100644 index e7d6b18c63..0000000000 --- a/lib/ssh/src/PKCS-1.asn1 +++ /dev/null @@ -1,116 +0,0 @@ -PKCS-1 { - iso(1) member-body(2) us(840) rsadsi(113549) pkcs(1) pkcs-1(1) - modules(0) pkcs-1(1) -} - --- $Revision: 1.1 $ - -DEFINITIONS EXPLICIT TAGS ::= - -BEGIN - --- IMPORTS id-sha256, id-sha384, id-sha512 --- FROM NIST-SHA2 { --- joint-iso-itu-t(2) country(16) us(840) organization(1) --- gov(101) csor(3) nistalgorithm(4) modules(0) sha2(1) --- }; - -pkcs-1 OBJECT IDENTIFIER ::= { - iso(1) member-body(2) us(840) rsadsi(113549) pkcs(1) 1 -} - -rsaEncryption OBJECT IDENTIFIER ::= { pkcs-1 1 } - -id-RSAES-OAEP OBJECT IDENTIFIER ::= { pkcs-1 7 } - -id-pSpecified OBJECT IDENTIFIER ::= { pkcs-1 9 } - -id-RSASSA-PSS OBJECT IDENTIFIER ::= { pkcs-1 10 } - -md2WithRSAEncryption OBJECT IDENTIFIER ::= { pkcs-1 2 } -md5WithRSAEncryption OBJECT IDENTIFIER ::= { pkcs-1 4 } -sha1WithRSAEncryption OBJECT IDENTIFIER ::= { pkcs-1 5 } -sha256WithRSAEncryption OBJECT IDENTIFIER ::= { pkcs-1 11 } -sha384WithRSAEncryption OBJECT IDENTIFIER ::= { pkcs-1 12 } -sha512WithRSAEncryption OBJECT IDENTIFIER ::= { pkcs-1 13 } - -id-sha1 OBJECT IDENTIFIER ::= { - iso(1) identified-organization(3) oiw(14) secsig(3) - algorithms(2) 26 -} - -id-md2 OBJECT IDENTIFIER ::= { - iso(1) member-body(2) us(840) rsadsi(113549) digestAlgorithm(2) 2 -} - -id-md5 OBJECT IDENTIFIER ::= { - iso(1) member-body(2) us(840) rsadsi(113549) digestAlgorithm(2) 5 -} - -id-mgf1 OBJECT IDENTIFIER ::= { pkcs-1 8 } - - -RSAPublicKey ::= SEQUENCE { - modulus INTEGER, -- n - publicExponent INTEGER -- e -} - -RSAPrivateKey ::= SEQUENCE { - version Version, - modulus INTEGER, -- n - publicExponent INTEGER, -- e - privateExponent INTEGER, -- d - prime1 INTEGER, -- p - prime2 INTEGER, -- q - exponent1 INTEGER, -- d mod (p-1) - exponent2 INTEGER, -- d mod (q-1) - coefficient INTEGER, -- (inverse of q) mod p - otherPrimeInfos OtherPrimeInfos OPTIONAL -} - -Version ::= INTEGER { two-prime(0), multi(1) } - (CONSTRAINED BY { - -- version must be multi if otherPrimeInfos present -- - }) - -OtherPrimeInfos ::= SEQUENCE SIZE(1..MAX) OF OtherPrimeInfo - -OtherPrimeInfo ::= SEQUENCE { - prime INTEGER, -- ri - exponent INTEGER, -- di - coefficient INTEGER -- ti -} - -Algorithm ::= SEQUENCE { - algorithm OBJECT IDENTIFIER, - parameters ANY DEFINED BY algorithm OPTIONAL -} - -AlgorithmNull ::= SEQUENCE { - algorithm OBJECT IDENTIFIER, - parameters NULL -} - - -RSASSA-PSS-params ::= SEQUENCE { - hashAlgorithm [0] Algorithm, -- DEFAULT sha1, - maskGenAlgorithm [1] Algorithm, -- DEFAULT mgf1SHA1, - saltLength [2] INTEGER DEFAULT 20, - trailerField [3] TrailerField DEFAULT trailerFieldBC -} - -TrailerField ::= INTEGER { trailerFieldBC(1) } - -DigestInfo ::= SEQUENCE { - digestAlgorithm Algorithm, - digest OCTET STRING -} - -DigestInfoNull ::= SEQUENCE { - digestAlgorithm AlgorithmNull, - digest OCTET STRING -} - - -END -- PKCS1Definitions - diff --git a/lib/ssh/src/prebuild.skip b/lib/ssh/src/prebuild.skip deleted file mode 100644 index 1d7552d98d..0000000000 --- a/lib/ssh/src/prebuild.skip +++ /dev/null @@ -1,2 +0,0 @@ -DSS.asn1db -PKCS-1.asn1db diff --git a/lib/ssh/src/ssh.app.src b/lib/ssh/src/ssh.app.src index 8a3e15841f..154c72485e 100644 --- a/lib/ssh/src/ssh.app.src +++ b/lib/ssh/src/ssh.app.src @@ -3,9 +3,7 @@ {application, ssh, [{description, "SSH-2 for Erlang/OTP"}, {vsn, "%VSN%"}, - {modules, ['DSS', - 'PKCS-1', - ssh, + {modules, [ssh, ssh_app, ssh_acceptor, ssh_acceptor_sup, @@ -21,12 +19,10 @@ ssh_shell, sshc_sup, sshd_sup, - ssh_dsa, ssh_file, ssh_io, ssh_math, ssh_no_io, - ssh_rsa, ssh_sftp, ssh_sftpd, ssh_sftpd_file, diff --git a/lib/ssh/src/ssh.erl b/lib/ssh/src/ssh.erl index cada109df0..e7cedfba3e 100644 --- a/lib/ssh/src/ssh.erl +++ b/lib/ssh/src/ssh.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2004-2010. All Rights Reserved. +%% Copyright Ericsson AB 2004-2012. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -30,6 +30,9 @@ stop_listener/1, stop_listener/2, stop_daemon/1, stop_daemon/2, shell/1, shell/2, shell/3]). +-deprecated({sign_data, 2, next_major_release}). +-deprecated({verify_data, 3, next_major_release}). + -export([sign_data/2, verify_data/3]). %%-------------------------------------------------------------------- @@ -247,43 +250,6 @@ shell(Host, Port, Options) -> Error end. - -%%-------------------------------------------------------------------- -%% Function: sign_data(Data, Algorithm) -> binary() | -%% {error, Reason} -%% -%% Data = binary() -%% Algorithm = "ssh-rsa" -%% -%% Description: Use SSH key to sign data. -%%-------------------------------------------------------------------- -sign_data(Data, Algorithm) when is_binary(Data) -> - case ssh_file:private_identity_key(Algorithm,[]) of - {ok, Key} when Algorithm == "ssh-rsa" -> - ssh_rsa:sign(Key, Data); - Error -> - Error - end. - -%%-------------------------------------------------------------------- -%% Function: verify_data(Data, Signature, Algorithm) -> ok | -%% {error, Reason} -%% -%% Data = binary() -%% Signature = binary() -%% Algorithm = "ssh-rsa" -%% -%% Description: Use SSH signature to verify data. -%%-------------------------------------------------------------------- -verify_data(Data, Signature, Algorithm) when is_binary(Data), is_binary(Signature) -> - case ssh_file:public_identity_key(Algorithm, []) of - {ok, Key} when Algorithm == "ssh-rsa" -> - ssh_rsa:verify(Key, Data, Signature); - Error -> - Error - end. - - %%-------------------------------------------------------------------- %%% Internal functions %%-------------------------------------------------------------------- @@ -381,4 +347,42 @@ inetopt(true) -> inetopt(false) -> inet6. +%%% +%% Deprecated +%%% + +%%-------------------------------------------------------------------- +%% Function: sign_data(Data, Algorithm) -> binary() | +%% {error, Reason} +%% +%% Data = binary() +%% Algorithm = "ssh-rsa" +%% +%% Description: Use SSH key to sign data. +%%-------------------------------------------------------------------- +sign_data(Data, Algorithm) when is_binary(Data) -> + case ssh_file:private_identity_key(Algorithm,[]) of + {ok, Key} when Algorithm == "ssh-rsa" -> + public_key:sign(Data, sha, Key); + Error -> + Error + end. + +%%-------------------------------------------------------------------- +%% Function: verify_data(Data, Signature, Algorithm) -> ok | +%% {error, Reason} +%% +%% Data = binary() +%% Signature = binary() +%% Algorithm = "ssh-rsa" +%% +%% Description: Use SSH signature to verify data. +%%-------------------------------------------------------------------- +verify_data(Data, Signature, Algorithm) when is_binary(Data), is_binary(Signature) -> + case ssh_file:public_identity_key(Algorithm, []) of + {ok, Key} when Algorithm == "ssh-rsa" -> + public_key:verify(Data, sha, Signature, Key); + Error -> + Error + end. diff --git a/lib/ssh/src/ssh.hrl b/lib/ssh/src/ssh.hrl index ac249b05e3..7cebec1c74 100644 --- a/lib/ssh/src/ssh.hrl +++ b/lib/ssh/src/ssh.hrl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2004-2010. All Rights Reserved. +%% Copyright Ericsson AB 2004-2012. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -54,18 +54,6 @@ -define(string(X), << ?STRING(list_to_binary(X)) >> ). -define(binary(X), << ?STRING(X) >>). --ifdef(debug). --define(dbg(Debug, Fmt, As), - case (Debug) of - true -> - io:format([$# | (Fmt)], (As)); - _ -> - ok - end). --else. --define(dbg(Debug, Fmt, As), ok). --endif. - -define(SSH_CIPHER_NONE, 0). -define(SSH_CIPHER_3DES, 3). -define(SSH_CIPHER_AUTHFILE, ?SSH_CIPHER_3DES). diff --git a/lib/ssh/src/ssh_auth.erl b/lib/ssh/src/ssh_auth.erl index a39c664c45..3b087262d8 100644 --- a/lib/ssh/src/ssh_auth.erl +++ b/lib/ssh/src/ssh_auth.erl @@ -27,7 +27,6 @@ -include("ssh_auth.hrl"). -include("ssh_transport.hrl"). - -export([publickey_msg/1, password_msg/1, keyboard_interactive_msg/1, service_request_msg/1, init_userauth_request_msg/1, userauth_request_msg/1, handle_userauth_request/3, @@ -38,12 +37,11 @@ %%-------------------------------------------------------------------- %%% Internal application API %%-------------------------------------------------------------------- -publickey_msg([Cb, #ssh{user = User, +publickey_msg([Alg, #ssh{user = User, session_id = SessionId, service = Service, opts = Opts} = Ssh]) -> - Alg = algorithm(Cb), Hash = sha, %% Maybe option?! ssh_bits:install_messages(userauth_pk_messages()), @@ -51,15 +49,15 @@ publickey_msg([Cb, #ssh{user = User, {ok, Key} -> PubKeyBlob = ssh_file:encode_public_key(Key), SigData = build_sig_data(SessionId, - User, Service, Key, PubKeyBlob), + User, Service, PubKeyBlob, Alg), Sig = sign(SigData, Hash, Key), - SigBlob = list_to_binary([?string(algorithm(Key)), ?binary(Sig)]), + SigBlob = list_to_binary([?string(Alg), ?binary(Sig)]), ssh_transport:ssh_packet( #ssh_msg_userauth_request{user = User, service = Service, method = "publickey", data = [?TRUE, - ?string(algorithm(Key)), + ?string(Alg), ?binary(PubKeyBlob), ?binary(SigBlob)]}, Ssh); @@ -108,12 +106,12 @@ init_userauth_request_msg(#ssh{opts = Opts} = Ssh) -> service = "ssh-connection", method = "none", data = <<>>}, - CbFirst = proplists:get_value(public_key_alg, Opts, - ?PREFERRED_PK_ALG), - CbSecond = other_cb(CbFirst), + FirstAlg = algorithm(proplists:get_value(public_key_alg, Opts, + ?PREFERRED_PK_ALG)), + SecondAlg = other_alg(FirstAlg), AllowUserInt = proplists:get_value(allow_user_interaction, Opts, true), - Prefs = method_preference(CbFirst, CbSecond, AllowUserInt), + Prefs = method_preference(FirstAlg, SecondAlg, AllowUserInt), ssh_transport:ssh_packet(Msg, Ssh#ssh{user = User, userauth_preference = Prefs, userauth_methods = none, @@ -233,7 +231,6 @@ handle_userauth_info_request( PromptInfos = decode_keyboard_interactive_prompts(NumPrompts,Data), Resps = keyboard_interact_get_responses(IoCb, Opts, Name, Instr, PromptInfos), - %%?dbg(true, "keyboard_interactive_reply: resps=~n#~p ~n", [Resps]), RespBin = list_to_binary( lists:map(fun(S) -> <> end, Resps)), @@ -268,15 +265,15 @@ userauth_messages() -> %%-------------------------------------------------------------------- %%% Internal functions %%-------------------------------------------------------------------- -method_preference(Callback1, Callback2, true) -> - [{"publickey", ?MODULE, publickey_msg, [Callback1]}, - {"publickey", ?MODULE, publickey_msg,[Callback2]}, +method_preference(Alg1, Alg2, true) -> + [{"publickey", ?MODULE, publickey_msg, [Alg1]}, + {"publickey", ?MODULE, publickey_msg,[Alg2]}, {"password", ?MODULE, password_msg, []}, {"keyboard-interactive", ?MODULE, keyboard_interactive_msg, []} ]; -method_preference(Callback1, Callback2, false) -> - [{"publickey", ?MODULE, publickey_msg, [Callback1]}, - {"publickey", ?MODULE, publickey_msg,[Callback2]}, +method_preference(Alg1, Alg2, false) -> + [{"publickey", ?MODULE, publickey_msg, [Alg1]}, + {"publickey", ?MODULE, publickey_msg,[Alg2]}, {"password", ?MODULE, password_msg, []} ]. @@ -300,7 +297,6 @@ user_name(Opts) -> end. check_password(User, Password, Opts) -> - %%?dbg(true, " ~p ~p ~p ~n", [User, Password, Opts]), case proplists:get_value(pwdfun, Opts) of undefined -> Static = get_password_option(Opts, User), @@ -322,8 +318,8 @@ verify_sig(SessionId, User, Service, Alg, KeyBlob, SigWLen, Opts) -> {ok, OurKey} -> case OurKey of Key -> - PlainText = build_sig_data(SessionId, - User, Service, Key, KeyBlob), + PlainText = build_sig_data(SessionId, User, + Service, KeyBlob, Alg), <> = SigWLen, <> = AlgSig, @@ -334,29 +330,21 @@ verify_sig(SessionId, User, Service, Alg, KeyBlob, SigWLen, Opts) -> Error -> Error end. -build_sig_data(SessionId, User, Service, Key, KeyBlob) -> +build_sig_data(SessionId, User, Service, KeyBlob, Alg) -> Sig = [?binary(SessionId), ?SSH_MSG_USERAUTH_REQUEST, ?string(User), ?string(Service), ?binary(<<"publickey">>), ?TRUE, - ?string(algorithm(Key)), + ?string(Alg), ?binary(KeyBlob)], list_to_binary(Sig). algorithm(ssh_rsa) -> "ssh-rsa"; algorithm(ssh_dsa) -> - "ssh-dss"; -algorithm(#'RSAPrivateKey'{}) -> - "ssh-rsa"; -algorithm(#'DSAPrivateKey'{}) -> - "ssh-dss"; -algorithm({_, #'Dss-Parms'{}}) -> - "ssh-dss"; -algorithm(#'RSAPublicKey'{}) -> - "ssh-rsa". + "ssh-dss". sign(SigData, Hash, #'DSAPrivateKey'{} = Key) -> DerSignature = public_key:sign(SigData, Hash, Key), @@ -364,17 +352,13 @@ sign(SigData, Hash, #'DSAPrivateKey'{} = Key) -> <>; sign(SigData, Hash, Key) -> public_key:sign(SigData, Hash, Key). -%% sign(SigData, _, #'DSAPrivateKey'{} = Key) -> -%% ssh_dsa:sign(Key, SigData). verify(PlainText, Hash, Sig, {_, #'Dss-Parms'{}} = Key) -> <> = Sig, Signature = public_key:der_encode('Dss-Sig-Value', #'Dss-Sig-Value'{r = R, s = S}), public_key:verify(PlainText, Hash, Signature, Key); verify(PlainText, Hash, Sig, Key) -> - public_key:verify(PlainText, sha, Sig, Key). -%% verify(PlainText, _Hash, Sig, {_, #'Dss-Parms'{}} = Key) -> -%% ssh_dsa:verify(Key, PlainText, Sig). + public_key:verify(PlainText, Hash, Sig, Key). decode_keyboard_interactive_prompts(NumPrompts, Data) -> Types = lists:append(lists:duplicate(NumPrompts, [string, boolean])), @@ -447,8 +431,7 @@ userauth_pk_messages() -> binary]} % key blob ]. -other_cb(ssh_rsa) -> - ssh_dsa; -other_cb(ssh_dsa) -> - ssh_rsa. - +other_alg("ssh-rsa") -> + "ssh-dss"; +other_alg("ssh-dss") -> + "ssh-rsa". diff --git a/lib/ssh/src/ssh_bits.erl b/lib/ssh/src/ssh_bits.erl index 3f0a06575c..5841f06d70 100644 --- a/lib/ssh/src/ssh_bits.erl +++ b/lib/ssh/src/ssh_bits.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2005-2011. All Rights Reserved. +%% Copyright Ericsson AB 2005-2012. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -105,16 +105,12 @@ bignum(X) -> install_messages(Codes) -> foreach(fun({Name, Code, Ts}) -> - %% ?dbg(true, "install msg: ~s = ~w ~w~n", -%% [Name,Code,Ts]), put({msg_name,Code}, {Name,Ts}), put({msg_code,Name}, {Code,Ts}) end, Codes). uninstall_messages(Codes) -> foreach(fun({Name, Code, _Ts}) -> - %% ?dbg(true, "uninstall msg: ~s = ~w ~w~n", -%% [Name,Code,_Ts]), erase({msg_name,Code}), erase({msg_code,Name}) end, Codes). diff --git a/lib/ssh/src/ssh_connection.erl b/lib/ssh/src/ssh_connection.erl index 7b9e9185bf..cb02d7b824 100644 --- a/lib/ssh/src/ssh_connection.erl +++ b/lib/ssh/src/ssh_connection.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2008-2010. All Rights Reserved. +%% Copyright Ericsson AB 2008-2012. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -722,8 +722,6 @@ handle_msg(#ssh_msg_channel_request{recipient_channel = ChannelId, request_type = _Other, want_reply = WantReply}, Connection, ConnectionPid, _) -> - ?dbg(true, "ssh_msg ssh_msg_channel_request: Other=~p\n", - [_Other]), if WantReply == true -> FailMsg = channel_failure_msg(ChannelId), {{replies, [{connection_reply, ConnectionPid, FailMsg}]}, diff --git a/lib/ssh/src/ssh_dsa.erl b/lib/ssh/src/ssh_dsa.erl deleted file mode 100644 index 6650b8b99b..0000000000 --- a/lib/ssh/src/ssh_dsa.erl +++ /dev/null @@ -1,71 +0,0 @@ -%% -%% %CopyrightBegin% -%% -%% Copyright Ericsson AB 2005-2012. All Rights Reserved. -%% -%% The contents of this file are subject to the Erlang Public License, -%% Version 1.1, (the "License"); you may not use this file except in -%% compliance with the License. You should have received a copy of the -%% Erlang Public License along with this software. If not, it can be -%% retrieved online at http://www.erlang.org/. -%% -%% Software distributed under the License is distributed on an "AS IS" -%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See -%% the License for the specific language governing rights and limitations -%% under the License. -%% -%% %CopyrightEnd% -%% - -%% - -%%% Description: dsa public-key sign and verify - --module(ssh_dsa). - --export([verify/3, verify/4]). --export([sign/2]). --export([alg_name/0]). - --include("ssh.hrl"). --include_lib("public_key/include/public_key.hrl"). - -sign(_Private= #'DSAPrivateKey'{p = P, q = Q, g = G, x = X},Mb) -> - K = ssh_bits:irandom(160) rem Q, - R = ssh_math:ipow(G, K, P) rem Q, - Ki = ssh_math:invert(K, Q), - <> = crypto:sha(Mb), - S = (Ki * (M + X*R)) rem Q, - <>. - -verify(PlainText, sha, Sig, {Y, {_, P, Q, G}}) -> - verify(#ssh_key{type = dsa, - public = {P,Q,G,Y}}, PlainText, Sig). - -verify(Public, Mb, Sb) -> - case catch xverify(Public, Mb, Sb) of - {'EXIT', _Reason} -> - false; - ok -> - true - end. - -xverify(_Public=#ssh_key { public={P,Q,G,Y} },Mb,Sb) -> - <> = Sb, - ?ssh_assert(R0 >= 0 andalso R0 < Q andalso - S0 >= 0 andalso S0 < Q, out_of_range), - W = ssh_math:invert(S0,Q), - <> = crypto:sha(Mb), - U1 = (M0*W) rem Q, - U2 = (R0*W) rem Q, - T1 = ssh_math:ipow(G,U1,P), - T2 = ssh_math:ipow(Y,U2,P), - V = ((T1*T2) rem P) rem Q, - if V == R0 -> - ok; - true -> - {error, inconsistent_key} - end. - -alg_name() -> - "ssh-dss". diff --git a/lib/ssh/src/ssh_file.erl b/lib/ssh/src/ssh_file.erl index 64dc286b92..49106ccdb3 100644 --- a/lib/ssh/src/ssh_file.erl +++ b/lib/ssh/src/ssh_file.erl @@ -39,10 +39,6 @@ -export([encode_public_key/1, decode_public_key_v2/2]). --import(lists, [reverse/1, append/1]). - --define(DBG_PATHS, true). - -define(PERM_700, 8#700). -define(PERM_644, 8#644). @@ -185,7 +181,6 @@ ssh_dir(system, Opts) -> file_name(Type, Name, Opts) -> FN = filename:join(ssh_dir(Type, Opts), Name), - %%?dbg(?DBG_PATHS, "file_name: ~p\n", [FN]), FN. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% diff --git a/lib/ssh/src/ssh_rsa.erl b/lib/ssh/src/ssh_rsa.erl deleted file mode 100644 index 03c55319b7..0000000000 --- a/lib/ssh/src/ssh_rsa.erl +++ /dev/null @@ -1,105 +0,0 @@ -%% -%% %CopyrightBegin% -%% -%% Copyright Ericsson AB 2005-2012. All Rights Reserved. -%% -%% The contents of this file are subject to the Erlang Public License, -%% Version 1.1, (the "License"); you may not use this file except in -%% compliance with the License. You should have received a copy of the -%% Erlang Public License along with this software. If not, it can be -%% retrieved online at http://www.erlang.org/. -%% -%% Software distributed under the License is distributed on an "AS IS" -%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See -%% the License for the specific language governing rights and limitations -%% under the License. -%% -%% %CopyrightEnd% -%% - -%% - -%%% Description: rsa public-key sign and verify - --module(ssh_rsa). - --include_lib("public_key/include/public_key.hrl"). - --export([verify/3, sign/2]). --export([alg_name/0]). - --include("ssh.hrl"). - --define(MGF(Seed,Len), mgf1((Seed),(Len))). --define(HASH(X), crypto:sha((X))). --define(HLen, 20). - -sign(Private,Mb) -> - rsassa_pkcs1_v1_5_sign(Private,Mb). - -verify(Public,Mb,Sb) -> - rsassa_pkcs1_v1_5_verify(Public,Mb,Sb). - -%% Integer to octet string -i2osp(X, XLen) -> - ssh_bits:i2bin(X, XLen). - -%% Octet string to Integer -os2ip(X) -> - ssh_bits:bin2i(X). - -%% sign1, M = message representative -rsasp1(#'RSAPrivateKey'{modulus = N, privateExponent = D}, M) -> - ?ssh_assert((M >= 0 andalso M =< N-1), out_of_range), - ssh_math:ipow(M, D, N). - -%% verify1, S =signature representative -rsavp1(#'RSAPublicKey'{publicExponent = E, modulus = N}, S) -> - ?ssh_assert(S >= 0 andalso S =< N-1, out_of_range), - ssh_math:ipow(S, E, N). - - -rsassa_pkcs1_v1_5_sign(#'RSAPrivateKey'{modulus = N} = Private, Mb) -> - K = (ssh_bits:isize(N)+7) div 8, - EM = emsa_pkcs1_v1_5_encode(Mb, K), - M = os2ip(EM), - S = rsasp1(Private, M), - i2osp(S, K); - -rsassa_pkcs1_v1_5_sign(Private=#ssh_key { public={N,_},private={_,_D}},Mb) -> - K = (ssh_bits:isize(N)+7) div 8, - EM = emsa_pkcs1_v1_5_encode(Mb, K), - M = os2ip(EM), - S = rsasp1(Private, M), - i2osp(S, K). - -rsassa_pkcs1_v1_5_verify(#'RSAPublicKey'{modulus = N} = Public, Mb, Sb) -> - K = (ssh_bits:isize(N)+7) div 8, - ?ssh_assert(size(Sb) == K, invalid_signature), - S = os2ip(Sb), - M = rsavp1(Public, S), - EM = i2osp(M, K), - %?dbg(true, "verify K=~p S=~w ~n#M=~w~n#EM=~w~n", [K, S, M, EM]), - case emsa_pkcs1_v1_5_encode(Mb, K) of - EM -> true; - _S -> false - %%{error, invalid_signature} - end. - - -emsa_pkcs1_v1_5_encode(M, EMLen) -> - H = ?HASH(M), - %% Must use speical xxNull types here! - Alg = #'AlgorithmNull' { algorithm = ?'id-sha1', - parameters = <<>> }, - TCode = public_key:der_encode('DigestInfoNull', - #'DigestInfoNull'{ digestAlgorithm = Alg, - digest = H }), - TLen = size(TCode), - ?ssh_assert(EMLen >= TLen + 11, message_to_short), - PS = ssh_bits:fill_bits(EMLen - TLen - 3, 16#ff), - <<16#00, 16#01, PS/binary, 16#00, TCode/binary>>. - - -alg_name() -> - "ssh-rsa". diff --git a/lib/ssh/src/ssh_sftpd.erl b/lib/ssh/src/ssh_sftpd.erl index da91817fd7..60b48d622f 100644 --- a/lib/ssh/src/ssh_sftpd.erl +++ b/lib/ssh/src/ssh_sftpd.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2005-2010. All Rights Reserved. +%% Copyright Ericsson AB 2005-2012. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -231,8 +231,6 @@ handle_op(?SSH_FXP_REALPATH, ReqId, case Res of {ok, AbsPath} -> NewAbsPath = chroot_filename(AbsPath, State), - ?dbg(true, "handle_op ?SSH_FXP_REALPATH: RelPath=~p AbsPath=~p\n", - [RelPath, NewAbsPath]), XF = State#state.xf, Attr = #ssh_xfer_attr{type=directory}, ssh_xfer:xf_send_name(XF, ReqId, NewAbsPath, Attr), @@ -463,7 +461,6 @@ get_handle(Handles, BinHandle) -> read_dir(State0 = #state{file_handler = FileMod, max_files = MaxLength, file_state = FS0}, XF, ReqId, Handle, RelPath, {cache, Files}) -> AbsPath = relate_file_name(RelPath, State0), - ?dbg(true, "read_dir: AbsPath=~p\n", [AbsPath]), if length(Files) > MaxLength -> {ToSend, NewCache} = lists:split(MaxLength, Files), @@ -484,7 +481,6 @@ read_dir(State0 = #state{file_handler = FileMod, max_files = MaxLength, file_sta read_dir(State0 = #state{file_handler = FileMod, max_files = MaxLength, file_state = FS0}, XF, ReqId, Handle, RelPath, _Status) -> AbsPath = relate_file_name(RelPath, State0), - ?dbg(true, "read_dir: AbsPath=~p\n", [AbsPath]), {Res, FS1} = FileMod:list_dir(AbsPath, FS0), case Res of {ok, Files} when MaxLength == 0 orelse MaxLength > length(Files) -> @@ -516,7 +512,6 @@ get_attrs(_RelPath, [], _FileMod, FS, Acc) -> {lists:reverse(Acc), FS}; get_attrs(RelPath, [F | Rest], FileMod, FS0, Acc) -> Path = filename:absname(F, RelPath), - ?dbg(true, "get_attrs fun: F=~p\n", [F]), case FileMod:read_link_info(Path, FS0) of {{ok, Info}, FS1} -> Attrs = ssh_sftp:info_to_attr(Info), @@ -560,7 +555,6 @@ stat(ReqId, RelPath, State0=#state{file_handler=FileMod, file_state=FS0}, F) -> AbsPath = relate_file_name(RelPath, State0), XF = State0#state.xf, - ?dbg(false, "stat: AbsPath=~p\n", [AbsPath]), {Res, FS1} = FileMod:F(AbsPath, FS0), State1 = State0#state{file_state = FS1}, case Res of @@ -620,7 +614,6 @@ open(Vsn, ReqId, Data, State) when Vsn =< 3 -> _Attrs/binary>> = Data, Path = binary_to_list(BPath), Flags = ssh_xfer:decode_open_flags(Vsn, PFlags) -- [creat, excl, trunc], - ?dbg(true, "open: Flags=~p\n", [Flags]), do_open(ReqId, State, Path, Flags); open(Vsn, ReqId, Data, State) when Vsn >= 4 -> <= 4 -> Path = binary_to_list(BPath), FlagBits = ssh_xfer:decode_open_flags(Vsn, PFlags), AcessBits = ssh_xfer:decode_ace_mask(Access), - ?dbg(true, "open: Fl=~p\n", [FlagBits]), %% TODO: This is to make sure the Access flags are not ignored %% but this should be thought through better. This solution should %% be considered a hack in order to buy some time. At least @@ -638,9 +630,6 @@ open(Vsn, ReqId, Data, State) when Vsn >= 4 -> AcessFlags = decode_4_acess(AcessBits), Flags = lists:append(lists:umerge( [[decode_4_flags(FlagBits)] | AcessFlags])), - - ?dbg(true, "open: Flags=~p\n", [Flags]), - do_open(ReqId, State, Path, Flags). do_open(ReqId, State0, Path, Flags) -> @@ -895,14 +884,11 @@ set_stat(Attr, Path, State0 = #state{file_handler=FileMod, file_state=FS0}) -> {DecodedAttr, _Rest} = ssh_xfer:decode_ATTR((State0#state.xf)#ssh_xfer.vsn, Attr), - ?dbg(true, "set_stat DecodedAttr=~p\n", [DecodedAttr]), Info = ssh_sftp:attr_to_info(DecodedAttr), {Res1, FS1} = FileMod:read_link_info(Path, FS0), case Res1 of {ok, OldInfo} -> NewInfo = set_file_info(Info, OldInfo), - ?dbg(true, "set_stat Path=~p\nInfo=~p\nOldInfo=~p\nNewInfo=~p\n", - [Path, Info, OldInfo, NewInfo]), {Res2, FS2} = FileMod:write_file_info(Path, NewInfo, FS1), State1 = State0#state{file_state = FS2}, {Res2, State1}; diff --git a/lib/ssh/src/ssh_transport.erl b/lib/ssh/src/ssh_transport.erl index f610c71efa..3fef42a1ac 100644 --- a/lib/ssh/src/ssh_transport.erl +++ b/lib/ssh/src/ssh_transport.erl @@ -41,16 +41,6 @@ handle_kexdh_reply/2, unpack/3, decompress/2, ssh_packet/2, pack/2, msg_data/1]). -%% debug flagso --define(DBG_ALG, true). --define(DBG_KEX, true). --define(DBG_CRYPTO, false). --define(DBG_PACKET, false). --define(DBG_MESSAGE, true). --define(DBG_BIN_MESSAGE, true). --define(DBG_MAC, false). --define(DBG_ZLIB, true). - versions(client, Options)-> Vsn = proplists:get_value(vsn, Options, ?DEFAULT_CLIENT_VERSION), Version = format_version(Vsn), @@ -301,7 +291,6 @@ install_messages('diffie-hellman-group-exchange-sha1') -> key_exchange_first_msg('diffie-hellman-group1-sha1', Ssh0) -> {G, P} = dh_group1(), {Private, Public} = dh_gen_key(G, P, 1024), - %%?dbg(?DBG_KEX, "public: ~p~n", [Public]), {SshPacket, Ssh1} = ssh_packet(#ssh_msg_kexdh_init{e = Public}, Ssh0), {ok, SshPacket, Ssh1#ssh{keyex_key = {{Private, Public}, {G, P}}}}; @@ -321,7 +310,6 @@ key_exchange_first_msg('diffie-hellman-group-exchange-sha1', Ssh0) -> handle_kexdh_init(#ssh_msg_kexdh_init{e = E}, Ssh0) -> {G, P} = dh_group1(), {Private, Public} = dh_gen_key(G, P, 1024), - %%?dbg(?DBG_KEX, "public: ~p~n", [Public]), K = ssh_math:ipow(E, Private, P), {Key, K_S} = get_host_key(Ssh0), H = kex_h(Ssh0, K_S, E, Public, K), @@ -330,9 +318,7 @@ handle_kexdh_init(#ssh_msg_kexdh_init{e = E}, Ssh0) -> f = Public, h_sig = H_SIG }, Ssh0), - %%?dbg(?DBG_KEX, "shared_secret: ~s ~n", [fmt_binary(K, 16, 4)]), - %%?dbg(?DBG_KEX, "hash: ~s ~n", [fmt_binary(H, 16, 4)]), - %%Hash = crypto:sha(PlainText), + {ok, SshPacket, Ssh1#ssh{keyex_key = {{Private, Public}, {G, P}}, shared_secret = K, exchanged_hash = H, @@ -340,7 +326,6 @@ handle_kexdh_init(#ssh_msg_kexdh_init{e = E}, Ssh0) -> handle_kex_dh_gex_group(#ssh_msg_kex_dh_gex_group{p = P, g = G}, Ssh0) -> {Private, Public} = dh_gen_key(G,P,1024), - %%?dbg(?DBG_KEX, "public: ~p ~n", [Public]), {SshPacket, Ssh1} = ssh_packet(#ssh_msg_kex_dh_gex_init{e = Public}, Ssh0), {ok, SshPacket, @@ -364,9 +349,7 @@ handle_kexdh_reply(#ssh_msg_kexdh_reply{public_host_key = HostKey, f = F, #ssh{keyex_key = {{Private, Public}, {_G, P}}} = Ssh0) -> K = ssh_math:ipow(F, Private, P), H = kex_h(Ssh0, HostKey, Public, F, K), - %%?dbg(?DBG_KEX, "shared_secret: ~s ~n", [fmt_binary(K, 16, 4)]), - %%?dbg(?DBG_KEX, "hash: ~s ~n", [fmt_binary(H, 16, 4)]), - %%Hash = crypto:sha(PlainText), + case verify_host_key(Ssh0, HostKey, H, H_SIG) of ok -> {SshPacket, Ssh} = ssh_packet(#ssh_msg_newkeys{}, Ssh0), @@ -399,8 +382,7 @@ handle_kex_dh_gex_reply(#ssh_msg_kex_dh_gex_reply{public_host_key = HostKey, Ssh0) -> K = ssh_math:ipow(F, Private, P), H = kex_h(Ssh0, HostKey, Min, NBits, Max, P, G, Public, F, K), - %%?dbg(?DBG_KEX, "shared_secret: ~s ~n", [fmt_binary(K, 16, 4)]), - %%?dbg(?DBG_KEX, "hash: ~s ~n", [fmt_binary(H, 16, 4)]), + case verify_host_key(Ssh0, HostKey, H, H_SIG) of ok -> {SshPacket, Ssh} = ssh_packet(#ssh_msg_newkeys{}, Ssh0), @@ -431,11 +413,9 @@ get_host_key(SSH) -> 'ssh-rsa' -> case Mod:private_host_rsa_key(Scope, Opts) of {ok, #'RSAPrivateKey'{modulus = N, publicExponent = E} = Key} -> - %%?dbg(true, "x~n", []), {Key, ssh_bits:encode(["ssh-rsa",E,N],[string,mpint,mpint])}; Error -> - %%?dbg(true, "y~n", []), exit(Error) end; 'ssh-dss' -> @@ -625,7 +605,6 @@ install_alg(SSH) -> alg_setup(SSH) -> ALG = SSH#ssh.algorithms, - %%?dbg(?DBG_ALG, "ALG: setup ~p ~n", [ALG]), SSH#ssh{kex = ALG#alg.kex, hkey = ALG#alg.hkey, encrypt = ALG#alg.encrypt, @@ -642,7 +621,6 @@ alg_setup(SSH) -> }. alg_init(SSH0) -> - %%?dbg(?DBG_ALG, "ALG: init~n", []), {ok,SSH1} = send_mac_init(SSH0), {ok,SSH2} = recv_mac_init(SSH1), {ok,SSH3} = encrypt_init(SSH2), @@ -652,7 +630,6 @@ alg_init(SSH0) -> SSH6. alg_final(SSH0) -> - %%?dbg(?DBG_ALG, "ALG: final ~n", []), {ok,SSH1} = send_mac_final(SSH0), {ok,SSH2} = recv_mac_final(SSH1), {ok,SSH3} = encrypt_final(SSH2), @@ -673,19 +650,15 @@ select(CL, SL) -> [] -> undefined; [ALG|_] -> ALG end, - %%?dbg(?DBG_ALG, "ALG: select: ~p ~p = ~p~n", [CL, SL, C]), C. ssh_packet(#ssh_msg_kexinit{} = Msg, Ssh0) -> BinMsg = ssh_bits:encode(Msg), Ssh = key_init(Ssh0#ssh.role, Ssh0, BinMsg), - %%?dbg(?DBG_MESSAGE, "SEND_MSG: ~p~n", [Msg]), pack(BinMsg, Ssh); ssh_packet(Msg, Ssh) -> BinMsg = ssh_bits:encode(Msg), - %%?dbg(?DBG_MESSAGE, "SEND_MSG: ~p~n", [Msg]), - %%?dbg(?DBG_BIN_MESSAGE, "Encoded: ~p~n", [BinMsg]), pack(BinMsg, Ssh). pack(Data0, #ssh{encrypt_block_size = BlockSize, @@ -737,15 +710,6 @@ msg_data(PacketData) -> Data. -%% Send a disconnect message -%% terminate(S, SSH, Code, Message) -> -%% M = #ssh_msg_disconnect{code=Code, -%% description = Message, -%% language = "en"}, -%% send_msg(S, SSH, M), -%% gen_tcp:close(S), -%% {error, M}. - %% public key algorithms %% @@ -765,9 +729,6 @@ msg_data(PacketData) -> %% %% - - - %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %% Encryption %% @@ -837,19 +798,13 @@ encrypt(#ssh{encrypt = none} = Ssh, Data) -> encrypt(#ssh{encrypt = '3des-cbc', encrypt_keys = {K1,K2,K3}, encrypt_ctx = IV0} = Ssh, Data) -> - %%?dbg(?DBG_CRYPTO, "encrypt: IV=~p K1=~p, K2=~p, K3=~p ~n", - %% [IV0,K1,K2,K3]), Enc = crypto:des3_cbc_encrypt(K1,K2,K3,IV0,Data), - %%?dbg(?DBG_CRYPTO, "encrypt: ~p -> ~p ~n", [Data, Enc]), IV = crypto:des_cbc_ivec(Enc), {Ssh#ssh{encrypt_ctx = IV}, Enc}; encrypt(#ssh{encrypt = 'aes128-cbc', encrypt_keys = K, encrypt_ctx = IV0} = Ssh, Data) -> - %%?dbg(?DBG_CRYPTO, "encrypt: IV=~p K=~p ~n", - %% [IV0,K]), Enc = crypto:aes_cbc_128_encrypt(K,IV0,Data), - %%?dbg(?DBG_CRYPTO, "encrypt: ~p -> ~p ~n", [Data, Enc]), IV = crypto:aes_cbc_ivec(Enc), {Ssh#ssh{encrypt_ctx = IV}, Enc}. @@ -897,18 +852,12 @@ decrypt(#ssh{decrypt = none} = Ssh, Data) -> decrypt(#ssh{decrypt = '3des-cbc', decrypt_keys = Keys, decrypt_ctx = IV0} = Ssh, Data) -> {K1, K2, K3} = Keys, - %%?dbg(?DBG_CRYPTO, "decrypt: IV=~p K1=~p, K2=~p, K3=~p ~n", - %%[IV0,K1,K2,K3]), Dec = crypto:des3_cbc_decrypt(K1,K2,K3,IV0,Data), - %%?dbg(?DBG_CRYPTO, "decrypt: ~p -> ~p ~n", [Data, Dec]), IV = crypto:des_cbc_ivec(Data), {Ssh#ssh{decrypt_ctx = IV}, Dec}; decrypt(#ssh{decrypt = 'aes128-cbc', decrypt_keys = Key, decrypt_ctx = IV0} = Ssh, Data) -> - %%?dbg(?DBG_CRYPTO, "decrypt: IV=~p Key=~p ~n", - %% [IV0,Key]), Dec = crypto:aes_cbc_128_decrypt(Key,IV0,Data), - %%?dbg(?DBG_CRYPTO, "decrypt: ~p -> ~p ~n", [Data, Dec]), IV = crypto:aes_cbc_ivec(Data), {Ssh#ssh{decrypt_ctx = IV}, Dec}. @@ -940,7 +889,6 @@ compress(#ssh{compress = none} = Ssh, Data) -> {Ssh, Data}; compress(#ssh{compress = zlib, compress_ctx = Context} = Ssh, Data) -> Compressed = zlib:deflate(Context, Data, sync), - %%?dbg(?DBG_ZLIB, "deflate: ~p -> ~p ~n", [Data, Compressed]), {Ssh, list_to_binary(Compressed)}. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% @@ -964,7 +912,6 @@ decompress(#ssh{decompress = none} = Ssh, Data) -> {Ssh, Data}; decompress(#ssh{decompress = zlib, decompress_ctx = Context} = Ssh, Data) -> Decompressed = zlib:inflate(Context, Data), - %%?dbg(?DBG_ZLIB, "inflate: ~p -> ~p ~n", [Data, Decompressed]), {Ssh, list_to_binary(Decompressed)}. %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% @@ -1043,7 +990,6 @@ hash(SSH, Char, N, HASH) -> K1 = HASH([K, H, Char, SessionID]), Sz = N div 8, <> = hash(K, H, K1, N-128, HASH), - %%?dbg(?DBG_KEX, "Key ~s: ~s ~n", [Char, fmt_binary(Key, 16, 4)]), Key. hash(_K, _H, Ki, N, _HASH) when N =< 0 -> @@ -1110,9 +1056,6 @@ dh_gen_key(G, P, _Bits) -> Public = ssh_math:ipow(G, Private, P), {Private,Public}. -%% trim(Str) -> -%% lists:reverse(trim_head(lists:reverse(trim_head(Str)))). - trim_tail(Str) -> lists:reverse(trim_head(lists:reverse(Str))). @@ -1121,48 +1064,3 @@ trim_head([$\t|Cs]) -> trim_head(Cs); trim_head([$\n|Cs]) -> trim_head(Cs); trim_head([$\r|Cs]) -> trim_head(Cs); trim_head(Cs) -> Cs. - -%% Retrieve session_id from ssh, needed by public-key auth -%get_session_id(SSH) -> -% {ok, SessionID} = call(SSH, get_session_id), - -%% DEBUG utils -%% Format integers and binaries as hex blocks -%% -%% -ifdef(debug). -%% fmt_binary(B, BlockSize, GroupSize) -> -%% fmt_block(fmt_bin(B), BlockSize, GroupSize). - -%% fmt_block(Bin, BlockSize, GroupSize) -> -%% fmt_block(Bin, BlockSize, 0, GroupSize). - - -%% fmt_block(Bin, 0, _I, _G) -> -%% binary_to_list(Bin); -%% fmt_block(Bin, Sz, G, G) when G =/= 0 -> -%% ["~n#" | fmt_block(Bin, Sz, 0, G)]; -%% fmt_block(Bin, Sz, I, G) -> -%% case Bin of -%% <> -> -%% if Tail == <<>> -> -%% [binary_to_list(Block)]; -%% true -> -%% [binary_to_list(Block), " " | fmt_block(Tail, Sz, I+1, G)] -%% end; -%% <<>> -> -%% []; -%% _ -> -%% [binary_to_list(Bin)] -%% end. - -%% %% Format integer or binary as hex -%% fmt_bin(X) when integer(X) -> -%% list_to_binary(io_lib:format("~p", [X])); -%% fmt_bin(X) when binary(X) -> -%% Sz = size(X)*8, -%% <> = X, -%% %%Fmt = "~"++integer_to_list(size(X)*2)++"~p", -%% list_to_binary(io_lib:format("~p", [Y])). - -%% -endif. - diff --git a/lib/ssh/src/ssh_xfer.erl b/lib/ssh/src/ssh_xfer.erl index c9631a73b1..d5b6dd03d1 100644 --- a/lib/ssh/src/ssh_xfer.erl +++ b/lib/ssh/src/ssh_xfer.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2005-2010. All Rights Reserved. +%% Copyright Ericsson AB 2005-2012. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -298,8 +298,6 @@ xf_send_names(#ssh_xfer{cm = CM, channel = Channel, vsn = Vsn}, Size = 1 + 4 + 4 + Len, ToSend = [<>, Data], - %%?dbg(true, "xf_send_names: Size=~p size(ToSend)=~p\n", - %% [Size, size(list_to_binary(ToSend))]), ssh_connection:send(CM, Channel, ToSend). xf_send_status(XF, ReqId, ErrorCode) -> @@ -353,7 +351,6 @@ xf_reply(_XF, <>) -> - %%?dbg(true, "xf_reply ?SSH_FXP_NAME: AData=~p\n", [AData]), {name, ReqID, decode_names(XF#ssh_xfer.vsn, Count, AData)}; xf_reply(XF, <>) -> @@ -579,7 +576,6 @@ encode_attr_flags(Vsn, Flags) -> end, Flags). encode_file_type(Type) -> - %%?dbg(true, "encode_file_type(~p)\n", [Type]), case Type of regular -> ?SSH_FILEXFER_TYPE_REGULAR; directory -> ?SSH_FILEXFER_TYPE_DIRECTORY; @@ -660,15 +656,12 @@ encode_ATTR(Vsn, A) -> {extended, A#ssh_xfer_attr.extensions}], 0, []), Type = encode_file_type(A#ssh_xfer_attr.type), - %%?dbg(true, "encode_ATTR: Vsn=~p A=~p As=~p Flags=~p Type=~p", - %% [Vsn, A, As, Flags, Type]), Result = list_to_binary([?uint32(Flags), if Vsn >= 5 -> ?byte(Type); true -> (<<>>) end, As]), - %% ?dbg(true, " Result=~p\n", [Result]), Result. @@ -722,7 +715,6 @@ encode_As(_Vsn, [], Flags, Acc) -> decode_ATTR(Vsn, <>) -> - %%?dbg(true, "decode_ATTR: Vsn=~p Flags=~p Tail=~p\n", [Vsn, Flags, Tail]), {Type,Tail2} = if Vsn =< 3 -> {?SSH_FILEXFER_TYPE_UNKNOWN, Tail}; @@ -751,7 +743,6 @@ decode_ATTR(Vsn, <>) -> Tail2). decode_As(Vsn, [{AName, AField}|As], R, Flags, Tail) -> - %%?dbg(false, "decode_As: Vsn=~p AName=~p AField=~p Flags=~p Tail=~p\n", [Vsn, AName, AField, Flags, Tail]), case AName of size when ?is_set(?SSH_FILEXFER_ATTR_SIZE, Flags) -> <> = Tail, @@ -762,7 +753,6 @@ decode_As(Vsn, [{AName, AField}|As], R, Flags, Tail) -> ownergroup when ?is_set(?SSH_FILEXFER_ATTR_OWNERGROUP, Flags),Vsn>=5 -> <> = Tail, X = binary_to_list(Bin), - %%?dbg(true, "ownergroup X=~p\n", [X]), decode_As(Vsn, As, setelement(AField, R, X), Flags, Tail2); permissions when ?is_set(?SSH_FILEXFER_ATTR_PERMISSIONS,Flags),Vsn>=5-> @@ -824,13 +814,11 @@ decode_names(Vsn, I, <>) when Vsn =< 3 -> Name = binary_to_list(FileName), - %%?dbg(true, "decode_names: ~p\n", [Name]), {A, Tail2} = decode_ATTR(Vsn, Tail), [{Name, A} | decode_names(Vsn, I-1, Tail2)]; decode_names(Vsn, I, <>) when Vsn >= 4 -> Name = binary_to_list(FileName), - %%?dbg(true, "decode_names: ~p\n", [Name]), {A, Tail2} = decode_ATTR(Vsn, Tail), [{Name, A} | decode_names(Vsn, I-1, Tail2)]. @@ -839,8 +827,6 @@ encode_names(Vsn, NamesAndAttrs) -> encode_name(Vsn, {Name,Attr}, Len) when Vsn =< 3 -> NLen = length(Name), - %%?dbg(true, "encode_name: Vsn=~p Name=~p Attr=~p\n", - %% [Vsn, Name, Attr]), EncAttr = encode_ATTR(Vsn, Attr), ALen = size(EncAttr), NewLen = Len + NLen*2 + 4 + 4 + ALen, -- cgit v1.2.3 From 647ef86cd72d5646eda0901f59a68e3bd4878a9f Mon Sep 17 00:00:00 2001 From: Ingela Anderton Andin Date: Thu, 2 Feb 2012 14:14:16 +0100 Subject: Ssh daemon handles RSA host keys Solves OTP-7677 --- lib/ssh/src/ssh.hrl | 3 +- lib/ssh/src/ssh_connection_handler.erl | 47 ++++++++++++++--- lib/ssh/src/ssh_file.erl | 9 ++-- lib/ssh/src/ssh_transport.erl | 16 +++--- lib/ssh/test/ssh_basic_SUITE.erl | 60 +++++++++++++--------- .../test/ssh_basic_SUITE_data/ssh_host_rsa_key.pub | 5 ++ lib/ssh/test/ssh_sftpd_SUITE.erl | 5 +- lib/ssh/test/ssh_sftpd_erlclient_SUITE.erl | 10 ++-- lib/ssh/test/ssh_test_lib.erl | 52 +++++++++++++++++++ lib/ssh/test/ssh_to_openssh_SUITE.erl | 1 - .../ssh_to_openssh_SUITE_data/ssh_host_rsa_key | 16 ------ 11 files changed, 158 insertions(+), 66 deletions(-) create mode 100644 lib/ssh/test/ssh_basic_SUITE_data/ssh_host_rsa_key.pub delete mode 100644 lib/ssh/test/ssh_to_openssh_SUITE_data/ssh_host_rsa_key (limited to 'lib/ssh') diff --git a/lib/ssh/src/ssh.hrl b/lib/ssh/src/ssh.hrl index 7cebec1c74..da5750b6c3 100644 --- a/lib/ssh/src/ssh.hrl +++ b/lib/ssh/src/ssh.hrl @@ -126,7 +126,8 @@ userauth_quiet_mode, % boolean() userauth_supported_methods , % userauth_methods, - userauth_preference + userauth_preference, + available_host_keys }). -record(alg, diff --git a/lib/ssh/src/ssh_connection_handler.erl b/lib/ssh/src/ssh_connection_handler.erl index 00b30e5434..a9bf23953d 100644 --- a/lib/ssh/src/ssh_connection_handler.erl +++ b/lib/ssh/src/ssh_connection_handler.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2008-2011. All Rights Reserved. +%% Copyright Ericsson AB 2008-2012. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -637,16 +637,18 @@ init_ssh(client = Role, Vsn, Version, Options, Socket) -> {ok, PeerAddr} = inet:peername(Socket), PeerName = proplists:get_value(host, Options), + KeyCb = proplists:get_value(key_cb, Options, ssh_file), #ssh{role = Role, c_vsn = Vsn, c_version = Version, - key_cb = proplists:get_value(key_cb, Options, ssh_file), + key_cb = KeyCb, io_cb = IOCb, userauth_quiet_mode = proplists:get_value(quiet_mode, Options, false), opts = Options, userauth_supported_methods = AuthMethods, - peer = {PeerName, PeerAddr} + peer = {PeerName, PeerAddr}, + available_host_keys = supported_host_keys(Role, KeyCb, Options) }; init_ssh(server = Role, Vsn, Version, Options, Socket) -> @@ -654,17 +656,50 @@ init_ssh(server = Role, Vsn, Version, Options, Socket) -> AuthMethods = proplists:get_value(auth_methods, Options, ?SUPPORTED_AUTH_METHODS), {ok, PeerAddr} = inet:peername(Socket), - + KeyCb = proplists:get_value(key_cb, Options, ssh_file), + #ssh{role = Role, s_vsn = Vsn, s_version = Version, - key_cb = proplists:get_value(key_cb, Options, ssh_file), + key_cb = KeyCb, io_cb = proplists:get_value(io_cb, Options, ssh_io), opts = Options, userauth_supported_methods = AuthMethods, - peer = {undefined, PeerAddr} + peer = {undefined, PeerAddr}, + available_host_keys = supported_host_keys(Role, KeyCb, Options) }. +supported_host_keys(client, _, _) -> + ["ssh-rsa", "ssh-dss"]; +supported_host_keys(server, KeyCb, Options) -> + lists:foldl(fun(Type, Acc) -> + case available_host_key(KeyCb, Type, Options) of + {error, _} -> + Acc; + Alg -> + [Alg | Acc] + end + end, [], + %% Prefered alg last so no need to reverse + ["ssh-dss", "ssh-rsa"]). + +available_host_key(KeyCb, "ssh-dss"= Alg, Opts) -> + Scope = proplists:get_value(key_scope, Opts, system), + case KeyCb:private_host_dsa_key(Scope, Opts) of + {ok, _} -> + Alg; + Other -> + Other + end; +available_host_key(KeyCb, "ssh-rsa" = Alg, Opts) -> + Scope = proplists:get_value(key_scope, Opts, system), + case KeyCb:private_host_rsa_key(Scope, Opts) of + {ok, _} -> + Alg; + Other -> + Other + end. + send_msg(Msg, #state{socket = Socket, transport_cb = Transport}) -> Transport:send(Socket, Msg). diff --git a/lib/ssh/src/ssh_file.erl b/lib/ssh/src/ssh_file.erl index 49106ccdb3..d5cacc3294 100644 --- a/lib/ssh/src/ssh_file.erl +++ b/lib/ssh/src/ssh_file.erl @@ -30,7 +30,8 @@ -export([public_host_dsa_key/2,private_host_dsa_key/2, public_host_rsa_key/2,private_host_rsa_key/2, - public_host_key/2,private_host_key/2, + %%public_host_key/2, + private_host_key/2, lookup_host_key/3, add_host_key/3, lookup_user_key/4, ssh_dir/2, file_name/3]). @@ -62,9 +63,9 @@ private_host_rsa_key(Type, Opts) -> Password = proplists:get_value(password, Opts, ignore), decode(File, Password). -public_host_key(Type, Opts) -> - File = file_name(Type, "ssh_host_key", Opts), - decode(File, public_key). +%% public_host_key(Type, Opts) -> +%% File = file_name(Type, "ssh_host_key", Opts), +%% decode(File, public_key). private_host_key(Type, Opts) -> File = file_name(Type, "ssh_host_key", Opts), diff --git a/lib/ssh/src/ssh_transport.erl b/lib/ssh/src/ssh_transport.erl index 3fef42a1ac..f99b9c9ca7 100644 --- a/lib/ssh/src/ssh_transport.erl +++ b/lib/ssh/src/ssh_transport.erl @@ -203,24 +203,24 @@ key_exchange_init_msg(Ssh0) -> {SshPacket, Ssh} = ssh_packet(Msg, Ssh0), {Msg, SshPacket, Ssh}. -kex_init(#ssh{role = Role, opts = Opts}) -> +kex_init(#ssh{role = Role, opts = Opts, available_host_keys = HostKeyAlgs}) -> Random = ssh_bits:random(16), Compression = case proplists:get_value(compression, Opts, none) of zlib -> ["zlib", "none"]; none -> ["none", "zlib"] end, - kexinit_messsage(Role, Random, Compression). + kexinit_messsage(Role, Random, Compression, HostKeyAlgs). key_init(client, Ssh, Value) -> Ssh#ssh{c_keyinit = Value}; key_init(server, Ssh, Value) -> Ssh#ssh{s_keyinit = Value}. -kexinit_messsage(client, Random, Compression) -> +kexinit_messsage(client, Random, Compression, HostKeyAlgs) -> #ssh_msg_kexinit{ cookie = Random, kex_algorithms = ["diffie-hellman-group1-sha1"], - server_host_key_algorithms = ["ssh-rsa", "ssh-dss"], + server_host_key_algorithms = HostKeyAlgs, encryption_algorithms_client_to_server = ["aes128-cbc","3des-cbc"], encryption_algorithms_server_to_client = ["aes128-cbc","3des-cbc"], mac_algorithms_client_to_server = ["hmac-sha1"], @@ -231,11 +231,11 @@ kexinit_messsage(client, Random, Compression) -> languages_server_to_client = [] }; -kexinit_messsage(server, Random, Compression) -> +kexinit_messsage(server, Random, Compression, HostKeyAlgs) -> #ssh_msg_kexinit{ cookie = Random, kex_algorithms = ["diffie-hellman-group1-sha1"], - server_host_key_algorithms = ["ssh-dss"], + server_host_key_algorithms = HostKeyAlgs, encryption_algorithms_client_to_server = ["aes128-cbc","3des-cbc"], encryption_algorithms_server_to_client = ["aes128-cbc","3des-cbc"], mac_algorithms_client_to_server = ["hmac-sha1"], @@ -426,8 +426,8 @@ get_host_key(SSH) -> Error -> exit(Error) end; - _ -> - exit({error, bad_key_type}) + Foo -> + exit({error, {Foo, bad_key_type}}) end. sign_host_key(_Ssh, #'RSAPrivateKey'{} = Private, H) -> diff --git a/lib/ssh/test/ssh_basic_SUITE.erl b/lib/ssh/test/ssh_basic_SUITE.erl index b44afe79c7..ebbf044a8b 100644 --- a/lib/ssh/test/ssh_basic_SUITE.erl +++ b/lib/ssh/test/ssh_basic_SUITE.erl @@ -39,12 +39,8 @@ %% variable, but should NOT alter/remove any existing entries. %%-------------------------------------------------------------------- init_per_suite(Config) -> - test_server:format("Init per suite", []), case catch crypto:start() of ok -> - DataDir = ?config(data_dir, Config), - PrivDir = ?config(priv_dir, Config), - ssh_test_lib:setup_dsa(DataDir, PrivDir), Config; _Else -> {skip, "Crypto could not be started!"} @@ -56,10 +52,7 @@ init_per_suite(Config) -> %% A list of key/value pairs, holding the test case configuration. %% Description: Cleanup after the whole suite %%-------------------------------------------------------------------- -end_per_suite(Config) -> - test_server:format("End per suite", []), - PrivDir = ?config(priv_dir, Config), - ssh_test_lib:clean_dsa(PrivDir), +end_per_suite(_Config) -> ssh:stop(), crypto:stop(), ok. @@ -93,9 +86,9 @@ init_per_testcase(_TestCase, Config) -> end_per_testcase(TestCase, Config) when TestCase == server_password_option; TestCase == server_userpassword_option -> UserDir = filename:join(?config(priv_dir, Config), nopubkey), - file:del_dir(UserDir), + ssh_test_lib:del_dirs(UserDir), end_per_testcase(Config); -end_per_testcase(_TestCase, Config) -> +end_per_testcase(TestCase, Config) -> end_per_testcase(Config). end_per_testcase(_Config) -> ssh:stop(), @@ -110,18 +103,39 @@ end_per_testcase(_Config) -> %% Description: Returns a list of all test cases in this test suite %%-------------------------------------------------------------------- all() -> - [exec, exec_compressed, shell, daemon_already_started, - server_password_option, server_userpassword_option, - known_hosts]. + [{group, dsa_key}, + {group, rsa_key}, + daemon_already_started, + server_password_option, server_userpassword_option]. groups() -> - []. + [{dsa_key, [], [exec, exec_compressed, shell, known_hosts]}, + {rsa_key, [], [exec, exec_compressed, shell, known_hosts]} + ]. -init_per_group(_GroupName, Config) -> - Config. +init_per_group(dsa_key, Config) -> + DataDir = ?config(data_dir, Config), + PrivDir = ?config(priv_dir, Config), + ssh_test_lib:setup_dsa(DataDir, PrivDir), + Config; +init_per_group(rsa_key, Config) -> + DataDir = ?config(data_dir, Config), + PrivDir = ?config(priv_dir, Config), + ssh_test_lib:setup_rsa(DataDir, PrivDir), + Config; +init_per_group(_, Config) -> + Config. -end_per_group(_GroupName, Config) -> - Config. +end_per_group(dsa_key, Config) -> + PrivDir = ?config(priv_dir, Config), + ssh_test_lib:clean_dsa(PrivDir), + Config; +end_per_group(rsa_key, Config) -> + PrivDir = ?config(priv_dir, Config), + ssh_test_lib:clean_rsa(PrivDir), + Config; +end_per_group(_, Config) -> + Config. %% Test cases starts here. %%-------------------------------------------------------------------- @@ -133,7 +147,7 @@ exec(suite) -> exec(Config) when is_list(Config) -> process_flag(trap_exit, true), - SystemDir = ?config(data_dir, Config), + SystemDir = filename:join(?config(priv_dir, Config), system), UserDir = ?config(priv_dir, Config), {Pid, Host, Port} = ssh_test_lib:daemon([{system_dir, SystemDir}, @@ -179,7 +193,7 @@ exec_compressed(suite) -> exec_compressed(Config) when is_list(Config) -> process_flag(trap_exit, true), - SystemDir = ?config(data_dir, Config), + SystemDir = filename:join(?config(priv_dir, Config), system), UserDir = ?config(priv_dir, Config), {Pid, Host, Port} = ssh_test_lib:daemon([{system_dir, SystemDir},{user_dir, UserDir}, @@ -213,7 +227,7 @@ shell(suite) -> shell(Config) when is_list(Config) -> process_flag(trap_exit, true), - SystemDir = ?config(data_dir, Config), + SystemDir = filename:join(?config(priv_dir, Config), system), UserDir = ?config(priv_dir, Config), {_Pid, _Host, Port} = ssh_test_lib:daemon([{system_dir, SystemDir},{user_dir, UserDir}, @@ -378,10 +392,10 @@ known_hosts(doc) -> known_hosts(suite) -> []; known_hosts(Config) when is_list(Config) -> - DataDir = ?config(data_dir, Config), + SystemDir = ?config(data_dir, Config), PrivDir = ?config(priv_dir, Config), - {Pid, Host, Port} = ssh_test_lib:daemon([{user_dir, PrivDir},{system_dir, DataDir}, + {Pid, Host, Port} = ssh_test_lib:daemon([{user_dir, PrivDir},{system_dir, SystemDir}, {failfun, fun ssh_test_lib:failfun/2}]), KnownHosts = filename:join(PrivDir, "known_hosts"), diff --git a/lib/ssh/test/ssh_basic_SUITE_data/ssh_host_rsa_key.pub b/lib/ssh/test/ssh_basic_SUITE_data/ssh_host_rsa_key.pub new file mode 100644 index 0000000000..75d2025c71 --- /dev/null +++ b/lib/ssh/test/ssh_basic_SUITE_data/ssh_host_rsa_key.pub @@ -0,0 +1,5 @@ +---- BEGIN SSH2 PUBLIC KEY ---- +AAAAB3NzaC1yc2EAAAADAQABAAAAgQDCZX+4FBDwZIh9y/Uxee1VJnEXlowpz2yDKwj8 +semM4q843337zbNfxHmladB1lpz2NqyxI175xMIJuDxogyZdsOxGnFAzAnthR4dqL/RW +RWzjaxSB6IAO9SPYVVlrpZ+1hsjLW79fwXK/yc8VdhRuWTeQiRgYY2ek8+OKbOqz4Q== +---- END SSH2 PUBLIC KEY ---- diff --git a/lib/ssh/test/ssh_sftpd_SUITE.erl b/lib/ssh/test/ssh_sftpd_SUITE.erl index 37a1c63b6e..4af4c28ecf 100644 --- a/lib/ssh/test/ssh_sftpd_SUITE.erl +++ b/lib/ssh/test/ssh_sftpd_SUITE.erl @@ -100,9 +100,10 @@ init_per_testcase(TestCase, Config) -> prep(Config), PrivDir = ?config(priv_dir, Config), ClientUserDir = filename:join(PrivDir, nopubkey), - SysDir = ?config(data_dir, Config), + SystemDir = filename:join(?config(priv_dir, Config), system), + {ok, Sftpd} = - ssh_sftpd:listen(?SFPD_PORT, [{system_dir, SysDir}, + ssh_sftpd:listen(?SFPD_PORT, [{system_dir, SystemDir}, {user_dir, PrivDir}, {user_passwords,[{?USER, ?PASSWD}]}, {pwdfun, fun(_,_) -> true end}]), diff --git a/lib/ssh/test/ssh_sftpd_erlclient_SUITE.erl b/lib/ssh/test/ssh_sftpd_erlclient_SUITE.erl index ca189d4b02..4c469ed5f7 100644 --- a/lib/ssh/test/ssh_sftpd_erlclient_SUITE.erl +++ b/lib/ssh/test/ssh_sftpd_erlclient_SUITE.erl @@ -90,7 +90,7 @@ end_per_suite(Config) -> init_per_testcase(TestCase, Config) -> ssh:start(), PrivDir = ?config(priv_dir, Config), - DataDir = ?config(data_dir, Config), + SystemDir = filename:join(PrivDir, system), Options = case atom_to_list(TestCase) of @@ -98,7 +98,7 @@ init_per_testcase(TestCase, Config) -> Spec = ssh_sftpd:subsystem_spec([{file_handler, ssh_sftpd_file_alt}]), - [{system_dir, DataDir}, + [{system_dir, SystemDir}, {user_dir, PrivDir}, {subsystems, [Spec]}]; "root_dir" -> @@ -106,19 +106,19 @@ init_per_testcase(TestCase, Config) -> Root = filename:join(Privdir, root), file:make_dir(Root), Spec = ssh_sftpd:subsystem_spec([{root,Root}]), - [{system_dir, DataDir}, + [{system_dir, SystemDir}, {user_dir, PrivDir}, {subsystems, [Spec]}]; "list_dir_limited" -> Spec = ssh_sftpd:subsystem_spec([{max_files,1}]), - [{system_dir, DataDir}, + [{system_dir, SystemDir}, {user_dir, PrivDir}, {subsystems, [Spec]}]; _ -> [{user_dir, PrivDir}, - {system_dir, DataDir}] + {system_dir, SystemDir}] end, {Sftpd, Host, Port} = ssh_test_lib:daemon(Options), diff --git a/lib/ssh/test/ssh_test_lib.erl b/lib/ssh/test/ssh_test_lib.erl index abe65700c5..d8dd4cc0ac 100644 --- a/lib/ssh/test/ssh_test_lib.erl +++ b/lib/ssh/test/ssh_test_lib.erl @@ -220,19 +220,44 @@ known_hosts(BR) -> setup_dsa(DataDir, UserDir) -> file:copy(filename:join(DataDir, "id_dsa"), filename:join(UserDir, "id_dsa")), + System = filename:join(UserDir, "system"), + file:make_dir(System), + file:copy(filename:join(DataDir, "ssh_host_dsa_key"), filename:join(System, "ssh_host_dsa_key")), + file:copy(filename:join(DataDir, "ssh_host_dsa_key.pub"), filename:join(System, "ssh_host_dsa_key.pub")), setup_dsa_known_host(DataDir, UserDir), setup_dsa_auth_keys(DataDir, UserDir). +setup_rsa(DataDir, UserDir) -> + file:copy(filename:join(DataDir, "id_rsa"), filename:join(UserDir, "id_rsa")), + System = filename:join(UserDir, "system"), + file:make_dir(System), + file:copy(filename:join(DataDir, "ssh_host_rsa_key"), filename:join(System, "ssh_host_rsa_key")), + file:copy(filename:join(DataDir, "ssh_host_rsa_key"), filename:join(System, "ssh_host_rsa_key.pub")), + setup_rsa_known_host(DataDir, UserDir), + setup_rsa_auth_keys(DataDir, UserDir). + clean_dsa(UserDir) -> + del_dirs(filename:join(UserDir, "system")), file:delete(filename:join(UserDir,"id_dsa")), file:delete(filename:join(UserDir,"known_hosts")), file:delete(filename:join(UserDir,"authorized_keys")). +clean_rsa(UserDir) -> + del_dirs(filename:join(UserDir, "system")), + file:delete(filename:join(UserDir,"id_rsa")), + file:delete(filename:join(UserDir,"known_hosts")), + file:delete(filename:join(UserDir,"authorized_keys")). + setup_dsa_known_host(SystemDir, UserDir) -> {ok, SshBin} = file:read_file(filename:join(SystemDir, "ssh_host_dsa_key.pub")), [{Key, _}] = public_key:ssh_decode(SshBin, public_key), setup_known_hosts(Key, UserDir). +setup_rsa_known_host(SystemDir, UserDir) -> + {ok, SshBin} = file:read_file(filename:join(SystemDir, "ssh_host_rsa_key.pub")), + [{Key, _}] = public_key:ssh_decode(SshBin, public_key), + setup_known_hosts(Key, UserDir). + setup_known_hosts(Key, UserDir) -> {ok, Hostname} = inet:gethostname(), {ok, {A, B, C, D}} = inet:getaddr(Hostname, inet), @@ -253,7 +278,34 @@ setup_dsa_auth_keys(Dir, UserDir) -> Dss = #'Dss-Parms'{p=P, q=Q, g=G}, setup_auth_keys([{{PKey, Dss}, [{comment, "Test"}]}], UserDir). +setup_rsa_auth_keys(Dir, UserDir) -> + {ok, Pem} = file:read_file(filename:join(Dir, "id_rsa")), + RSA = public_key:pem_entry_decode(hd(public_key:pem_decode(Pem))), + #'RSAPrivateKey'{publicExponent = E, modulus = N} = RSA, + PKey = #'RSAPublicKey'{publicExponent = E, modulus = N}, + setup_auth_keys([{ PKey, [{comment, "Test"}]}], UserDir). + setup_auth_keys(Keys, Dir) -> AuthKeys = public_key:ssh_encode(Keys, auth_keys), AuthKeysFile = filename:join(Dir, "authorized_keys"), file:write_file(AuthKeysFile, AuthKeys). + + +del_dirs(Dir) -> + case file:list_dir(Dir) of + {ok, []} -> + file:del_dir(Dir); + {ok, Files} -> + lists:foreach(fun(File) -> + FullPath = filename:join(Dir,File), + case filelib:is_dir(FullPath) of + true -> + del_dirs(FullPath), + file:del_dir(FullPath); + false -> + file:delete(FullPath) + end + end, Files); + _ -> + ok + end. diff --git a/lib/ssh/test/ssh_to_openssh_SUITE.erl b/lib/ssh/test/ssh_to_openssh_SUITE.erl index 9fb24ba3f3..dfe526564d 100644 --- a/lib/ssh/test/ssh_to_openssh_SUITE.erl +++ b/lib/ssh/test/ssh_to_openssh_SUITE.erl @@ -76,7 +76,6 @@ end_per_suite(_Config) -> %% Description: Initialization before each test case %%-------------------------------------------------------------------- init_per_testcase(_TestCase, Config) -> - test_server:format("Init per test case~n", []), ssh:start(), Config. diff --git a/lib/ssh/test/ssh_to_openssh_SUITE_data/ssh_host_rsa_key b/lib/ssh/test/ssh_to_openssh_SUITE_data/ssh_host_rsa_key deleted file mode 100644 index 79968bdd7d..0000000000 --- a/lib/ssh/test/ssh_to_openssh_SUITE_data/ssh_host_rsa_key +++ /dev/null @@ -1,16 +0,0 @@ ------BEGIN RSA PRIVATE KEY----- -MIICXQIBAAKBgQDCZX+4FBDwZIh9y/Uxee1VJnEXlowpz2yDKwj8semM4q843337 -zbNfxHmladB1lpz2NqyxI175xMIJuDxogyZdsOxGnFAzAnthR4dqL/RWRWzjaxSB -6IAO9SPYVVlrpZ+1hsjLW79fwXK/yc8VdhRuWTeQiRgYY2ek8+OKbOqz4QIDAQAB -AoGANmvJzJO5hkLuvyDZHKfAnGTtpifcR1wtSa9DjdKUyn8vhKF0mIimnbnYQEmW -NUUb3gXCZLi9PvkpRSVRrASDOZwcjoU/Kvww163vBUVb2cOZfFhyn6o2Sk88Tt++ -udH3hdjpf9i7jTtUkUe+QYPsia+wgvvrmn4QrahLAH86+kECQQDx5gFeXTME3cnW -WMpFz3PPumduzjqgqMMWEccX4FtQkMX/gyGa5UC7OHFyh0N/gSWvPbRHa8A6YgIt -n8DO+fh5AkEAzbqX4DOn8NY6xJIi42q7l/2jIA0RkB6P7YugW5NblhqBZ0XDnpA5 -sMt+rz+K07u9XZtxgh1xi7mNfwY6lEAMqQJBAJBEauCKmRj35Z6OyeQku59SPsnY -+SJEREVvSNw2lH9SOKQQ4wPsYlTGbvKtNVZgAcen91L5MmYfeckYE/fdIZECQQCt -64zxsTnM1I8iFxj/gP/OYlJBikrKt8udWmjaghzvLMEw+T2DExJyb9ZNeT53+UMB -m6O+B/4xzU/djvp+0hbhAkAemIt+rA5kTmYlFndhpvzkSSM8a2EXsO4XIPgGWCTT -tQKS/tTly0ADMjN/TVy11+9d6zcqadNVuHXHGtR4W0GR ------END RSA PRIVATE KEY----- - -- cgit v1.2.3 From 3c3356e20e53e22e40920d4edee0acb7f7a6e8bc Mon Sep 17 00:00:00 2001 From: Ingela Anderton Andin Date: Fri, 3 Feb 2012 15:19:03 +0100 Subject: Better handling of IPv6 --- lib/ssh/src/ssh.erl | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) (limited to 'lib/ssh') diff --git a/lib/ssh/src/ssh.erl b/lib/ssh/src/ssh.erl index e7cedfba3e..29294b836f 100644 --- a/lib/ssh/src/ssh.erl +++ b/lib/ssh/src/ssh.erl @@ -345,7 +345,13 @@ handle_options([Opt | Rest], SockOpts, Opts) -> inetopt(true) -> inet; inetopt(false) -> - inet6. + case gen_tcp:listen(0, [inet6, {ip, loopback}]) of + {ok, Dummyport} -> + gen_tcp:close(Dummyport), + inet6; + _ -> + inet + end. %%% %% Deprecated -- cgit v1.2.3 From c957dbd73a69a34662c9fdfb45edaa53cb089c45 Mon Sep 17 00:00:00 2001 From: Ingela Anderton Andin Date: Fri, 3 Feb 2012 15:44:54 +0100 Subject: Test case maintenance --- lib/ssh/test/ssh_sftp_SUITE.erl | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'lib/ssh') diff --git a/lib/ssh/test/ssh_sftp_SUITE.erl b/lib/ssh/test/ssh_sftp_SUITE.erl index a1c6673ce7..7644db155d 100644 --- a/lib/ssh/test/ssh_sftp_SUITE.erl +++ b/lib/ssh/test/ssh_sftp_SUITE.erl @@ -44,7 +44,7 @@ %% variable, but should NOT alter/remove any existing entries. %%-------------------------------------------------------------------- init_per_suite(Config) -> - case crypto:start() of + case (catch crypto:start()) of ok -> ssh:start(), Config; -- cgit v1.2.3 From f5f4a7015569dd5bbd7114d89a370ea1bed09023 Mon Sep 17 00:00:00 2001 From: Ingela Anderton Andin Date: Mon, 6 Feb 2012 11:23:53 +0100 Subject: Cleaned up code so that ssh_file can become a template for a documented ssh_keys behavior --- lib/ssh/src/ssh.erl | 9 ++-- lib/ssh/src/ssh_auth.erl | 74 +++++++++++++++------------- lib/ssh/src/ssh_connection_handler.erl | 6 +-- lib/ssh/src/ssh_file.erl | 89 +++++++++++++--------------------- lib/ssh/src/ssh_transport.erl | 69 ++++++++++++-------------- 5 files changed, 113 insertions(+), 134 deletions(-) (limited to 'lib/ssh') diff --git a/lib/ssh/src/ssh.erl b/lib/ssh/src/ssh.erl index 29294b836f..eec17fd5d6 100644 --- a/lib/ssh/src/ssh.erl +++ b/lib/ssh/src/ssh.erl @@ -23,6 +23,7 @@ -include("ssh.hrl"). -include("ssh_connect.hrl"). +-include_lib("public_key/include/public_key.hrl"). -export([start/0, start/1, stop/0, connect/3, connect/4, close/1, connection_info/2, channel_info/3, @@ -367,7 +368,7 @@ inetopt(false) -> %% Description: Use SSH key to sign data. %%-------------------------------------------------------------------- sign_data(Data, Algorithm) when is_binary(Data) -> - case ssh_file:private_identity_key(Algorithm,[]) of + case ssh_file:user_key(Algorithm,[]) of {ok, Key} when Algorithm == "ssh-rsa" -> public_key:sign(Data, sha, Key); Error -> @@ -385,9 +386,9 @@ sign_data(Data, Algorithm) when is_binary(Data) -> %% Description: Use SSH signature to verify data. %%-------------------------------------------------------------------- verify_data(Data, Signature, Algorithm) when is_binary(Data), is_binary(Signature) -> - case ssh_file:public_identity_key(Algorithm, []) of - {ok, Key} when Algorithm == "ssh-rsa" -> - public_key:verify(Data, sha, Signature, Key); + case ssh_file:user_key(Algorithm, []) of + {ok, #'RSAPrivateKey'{publicExponent = E, modulus = N}} when Algorithm == "ssh-rsa" -> + public_key:verify(Data, sha, Signature, #'RSAPublicKey'{publicExponent = E, modulus = N}); Error -> Error end. diff --git a/lib/ssh/src/ssh_auth.erl b/lib/ssh/src/ssh_auth.erl index 3b087262d8..a2e74a12bb 100644 --- a/lib/ssh/src/ssh_auth.erl +++ b/lib/ssh/src/ssh_auth.erl @@ -41,16 +41,17 @@ publickey_msg([Alg, #ssh{user = User, session_id = SessionId, service = Service, opts = Opts} = Ssh]) -> - + Hash = sha, %% Maybe option?! ssh_bits:install_messages(userauth_pk_messages()), - - case ssh_file:private_identity_key(Alg, Opts) of + KeyCb = proplists:get_value(key_cb, Opts, ssh_file), + + case KeyCb:user_key(Alg, Opts) of {ok, Key} -> - PubKeyBlob = ssh_file:encode_public_key(Key), + PubKeyBlob = encode_public_key(Key), SigData = build_sig_data(SessionId, User, Service, PubKeyBlob, Alg), - Sig = sign(SigData, Hash, Key), + Sig = ssh_transport:sign(SigData, Hash, Key), SigBlob = list_to_binary([?string(Alg), ?binary(Sig)]), ssh_transport:ssh_packet( #ssh_msg_userauth_request{user = User, @@ -313,21 +314,19 @@ get_password_option(Opts, User) -> end. verify_sig(SessionId, User, Service, Alg, KeyBlob, SigWLen, Opts) -> - {ok, Key} = ssh_file:decode_public_key_v2(KeyBlob, Alg), - case ssh_file:lookup_user_key(Key, User, Alg, Opts) of - {ok, OurKey} -> - case OurKey of - Key -> - PlainText = build_sig_data(SessionId, User, - Service, KeyBlob, Alg), - <> = SigWLen, - <> = AlgSig, - verify(PlainText, sha, Sig, Key); - _ -> - {error, key_unacceptable} - end; - Error -> Error + {ok, Key} = decode_public_key_v2(KeyBlob, Alg), + KeyCb = proplists:get_value(key_cb, Opts, ssh_file), + + case KeyCb:is_auth_key(Key, User, Alg, Opts) of + true -> + PlainText = build_sig_data(SessionId, User, + Service, KeyBlob, Alg), + <> = SigWLen, + <> = AlgSig, + ssh_transport:verify(PlainText, sha, Sig, Key); + false -> + {error, key_unacceptable} end. build_sig_data(SessionId, User, Service, KeyBlob, Alg) -> @@ -346,20 +345,6 @@ algorithm(ssh_rsa) -> algorithm(ssh_dsa) -> "ssh-dss". -sign(SigData, Hash, #'DSAPrivateKey'{} = Key) -> - DerSignature = public_key:sign(SigData, Hash, Key), - #'Dss-Sig-Value'{r = R, s = S} = public_key:der_decode('Dss-Sig-Value', DerSignature), - <>; -sign(SigData, Hash, Key) -> - public_key:sign(SigData, Hash, Key). - -verify(PlainText, Hash, Sig, {_, #'Dss-Parms'{}} = Key) -> - <> = Sig, - Signature = public_key:der_encode('Dss-Sig-Value', #'Dss-Sig-Value'{r = R, s = S}), - public_key:verify(PlainText, Hash, Signature, Key); -verify(PlainText, Hash, Sig, Key) -> - public_key:verify(PlainText, Hash, Sig, Key). - decode_keyboard_interactive_prompts(NumPrompts, Data) -> Types = lists:append(lists:duplicate(NumPrompts, [string, boolean])), pairwise_tuplify(ssh_bits:decode(Data, Types)). @@ -435,3 +420,24 @@ other_alg("ssh-rsa") -> "ssh-dss"; other_alg("ssh-dss") -> "ssh-rsa". +decode_public_key_v2(K_S, "ssh-rsa") -> + case ssh_bits:decode(K_S,[string,mpint,mpint]) of + ["ssh-rsa", E, N] -> + {ok, #'RSAPublicKey'{publicExponent = E, modulus = N}}; + _ -> + {error, bad_format} + end; +decode_public_key_v2(K_S, "ssh-dss") -> + case ssh_bits:decode(K_S,[string,mpint,mpint,mpint,mpint]) of + ["ssh-dss",P,Q,G,Y] -> + {ok, {Y, #'Dss-Parms'{p = P, q = Q, g = G}}}; + _ -> + {error, bad_format} + end; +decode_public_key_v2(_, _) -> + {error, bad_format}. + +encode_public_key(#'RSAPrivateKey'{publicExponent = E, modulus = N}) -> + ssh_bits:encode(["ssh-rsa",E,N], [string,mpint,mpint]); +encode_public_key(#'DSAPrivateKey'{p = P, q = Q, g = G, y = Y}) -> + ssh_bits:encode(["ssh-dss",P,Q,G,Y], [string,mpint,mpint,mpint,mpint]). diff --git a/lib/ssh/src/ssh_connection_handler.erl b/lib/ssh/src/ssh_connection_handler.erl index a9bf23953d..9079089d5d 100644 --- a/lib/ssh/src/ssh_connection_handler.erl +++ b/lib/ssh/src/ssh_connection_handler.erl @@ -684,16 +684,14 @@ supported_host_keys(server, KeyCb, Options) -> ["ssh-dss", "ssh-rsa"]). available_host_key(KeyCb, "ssh-dss"= Alg, Opts) -> - Scope = proplists:get_value(key_scope, Opts, system), - case KeyCb:private_host_dsa_key(Scope, Opts) of + case KeyCb:host_key('ssh-dss', Opts) of {ok, _} -> Alg; Other -> Other end; available_host_key(KeyCb, "ssh-rsa" = Alg, Opts) -> - Scope = proplists:get_value(key_scope, Opts, system), - case KeyCb:private_host_rsa_key(Scope, Opts) of + case KeyCb:host_key('ssh-rsa', Opts) of {ok, _} -> Alg; Other -> diff --git a/lib/ssh/src/ssh_file.erl b/lib/ssh/src/ssh_file.erl index d5cacc3294..97ebf77e82 100644 --- a/lib/ssh/src/ssh_file.erl +++ b/lib/ssh/src/ssh_file.erl @@ -28,63 +28,58 @@ -include("ssh.hrl"). --export([public_host_dsa_key/2,private_host_dsa_key/2, - public_host_rsa_key/2,private_host_rsa_key/2, - %%public_host_key/2, - private_host_key/2, - lookup_host_key/3, add_host_key/3, - lookup_user_key/4, ssh_dir/2, file_name/3]). +-export([host_key/2, + user_key/2, + is_host_key/4, + add_host_key/3, + is_auth_key/4]). --export([private_identity_key/2, - public_identity_key/2]). - --export([encode_public_key/1, decode_public_key_v2/2]). -define(PERM_700, 8#700). -define(PERM_644, 8#644). %% API -public_host_dsa_key(Type, Opts) -> - File = file_name(Type, "ssh_host_dsa_key.pub", Opts), - decode(File, public_key). -private_host_dsa_key(Type, Opts) -> - File = file_name(Type, "ssh_host_dsa_key", Opts), +%% Used by server +host_key(Algorithm, Opts) -> + File = file_name(system, file_base_name(Algorithm), Opts), Password = proplists:get_value(password, Opts, ignore), decode(File, Password). -public_host_rsa_key(Type, Opts) -> - File = file_name(Type, "ssh_host_rsa_key.pub", Opts), - decode(File, public_key). -private_host_rsa_key(Type, Opts) -> - File = file_name(Type, "ssh_host_rsa_key", Opts), - Password = proplists:get_value(password, Opts, ignore), - decode(File, Password). +is_auth_key(Key, User, Alg, Opts) -> + case lookup_user_key(Key, User, Alg, Opts) of + {ok, Key} -> + true; + _ -> + false + end. -%% public_host_key(Type, Opts) -> -%% File = file_name(Type, "ssh_host_key", Opts), -%% decode(File, public_key). - -private_host_key(Type, Opts) -> - File = file_name(Type, "ssh_host_key", Opts), - Password = proplists:get_value(password, Opts, ignore), - decode(File, Password). -private_identity_key(Alg, Opts) -> +%% Used by client +is_host_key(Key, PeerName, Algorithm, Opts) -> + case lookup_host_key(PeerName, Algorithm, Opts) of + {ok, Key} -> + true; + _ -> + false + end. + +user_key(Alg, Opts) -> File = file_name(user, identity_key_filename(Alg), Opts), Password = proplists:get_value(password, Opts, ignore), decode(File, Password). -public_identity_key(Alg, Opts) -> - File = file_name(user, identity_key_filename(Alg) ++ ".pub", Opts), - decode(File, public_key). -encode_public_key(#'RSAPrivateKey'{publicExponent = E, modulus = N}) -> - ssh_bits:encode(["ssh-rsa",E,N], [string,mpint,mpint]); -encode_public_key(#'DSAPrivateKey'{p = P, q = Q, g = G, y = Y}) -> - ssh_bits:encode(["ssh-dss",P,Q,G,Y], [string,mpint,mpint,mpint,mpint]). +%% Internal functions %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + +file_base_name('ssh-rsa') -> + "ssh_host_rsa_key"; +file_base_name('ssh-dss') -> + "ssh_host_dsa_key"; +file_base_name(_) -> + "ssh_host_key". decode(File, Password) -> try @@ -184,7 +179,7 @@ file_name(Type, Name, Opts) -> FN = filename:join(ssh_dir(Type, Opts), Name), FN. -%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% + %% in: "host" out: "host,1.2.3.4. add_ip(Host) -> @@ -216,22 +211,6 @@ do_lookup_host_key(Host, Alg, Opts) -> identity_key_filename("ssh-dss") -> "id_dsa"; identity_key_filename("ssh-rsa") -> "id_rsa". -decode_public_key_v2(K_S, "ssh-rsa") -> - case ssh_bits:decode(K_S,[string,mpint,mpint]) of - ["ssh-rsa", E, N] -> - {ok, #'RSAPublicKey'{publicExponent = E, modulus = N}}; - _ -> - {error, bad_format} - end; -decode_public_key_v2(K_S, "ssh-dss") -> - case ssh_bits:decode(K_S,[string,mpint,mpint,mpint,mpint]) of - ["ssh-dss",P,Q,G,Y] -> - {ok, {Y, #'Dss-Parms'{p = P, q = Q, g = G}}}; - _A -> - {error, bad_format} - end; -decode_public_key_v2(_, _) -> - {error, bad_format}. lookup_host_key_fd(Fd, Host, KeyType) -> case io:get_line(Fd, '') of diff --git a/lib/ssh/src/ssh_transport.erl b/lib/ssh/src/ssh_transport.erl index f99b9c9ca7..6140c87f6e 100644 --- a/lib/ssh/src/ssh_transport.erl +++ b/lib/ssh/src/ssh_transport.erl @@ -39,7 +39,8 @@ handle_kex_dh_gex_group/2, handle_kex_dh_gex_reply/2, handle_new_keys/2, handle_kex_dh_gex_request/2, handle_kexdh_reply/2, - unpack/3, decompress/2, ssh_packet/2, pack/2, msg_data/1]). + unpack/3, decompress/2, ssh_packet/2, pack/2, msg_data/1, + sign/3, verify/4]). versions(client, Options)-> Vsn = proplists:get_value(vsn, Options, ?DEFAULT_CLIENT_VERSION), @@ -408,37 +409,25 @@ sid(#ssh{session_id = Id}, _) -> %% get_host_key(SSH) -> #ssh{key_cb = Mod, opts = Opts, algorithms = ALG} = SSH, - Scope = proplists:get_value(key_scope, Opts, system), - case ALG#alg.hkey of - 'ssh-rsa' -> - case Mod:private_host_rsa_key(Scope, Opts) of - {ok, #'RSAPrivateKey'{modulus = N, publicExponent = E} = Key} -> - {Key, - ssh_bits:encode(["ssh-rsa",E,N],[string,mpint,mpint])}; - Error -> - exit(Error) - end; - 'ssh-dss' -> - case Mod:private_host_dsa_key(Scope, Opts) of - {ok, #'DSAPrivateKey'{y = Y, p = P, q = Q, g = G} = Key} -> - {Key, ssh_bits:encode(["ssh-dss",P,Q,G,Y], - [string,mpint,mpint,mpint,mpint])}; - Error -> - exit(Error) - end; - Foo -> - exit({error, {Foo, bad_key_type}}) + + case Mod:host_key(ALG#alg.hkey, Opts) of + {ok, #'RSAPrivateKey'{modulus = N, publicExponent = E} = Key} -> + {Key, + ssh_bits:encode(["ssh-rsa",E,N],[string,mpint,mpint])}; + {ok, #'DSAPrivateKey'{y = Y, p = P, q = Q, g = G} = Key} -> + {Key, ssh_bits:encode(["ssh-dss",P,Q,G,Y], + [string,mpint,mpint,mpint,mpint])}; + Result -> + exit({error, {Result, unsupported_key_type}}) end. sign_host_key(_Ssh, #'RSAPrivateKey'{} = Private, H) -> Hash = sha, %% Option ?! - Signature = public_key:sign(H, Hash, Private), + Signature = sign(H, Hash, Private), ssh_bits:encode(["ssh-rsa", Signature],[string, binary]); sign_host_key(_Ssh, #'DSAPrivateKey'{} = Private, H) -> Hash = sha, %% Option ?! - DerSignature = public_key:sign(H, Hash, Private), - #'Dss-Sig-Value'{r = R, s = S} = public_key:der_decode('Dss-Sig-Value', DerSignature), - RawSignature = <>, + RawSignature = sign(H, Hash, Private), ssh_bits:encode(["ssh-dss", RawSignature],[string, binary]). verify_host_key(SSH, K_S, H, H_SIG) -> @@ -457,7 +446,7 @@ verify_host_key_rsa(SSH, K_S, H, H_SIG) -> ["ssh-rsa", E, N] -> ["ssh-rsa",SIG] = ssh_bits:decode(H_SIG,[string,binary]), Public = #'RSAPublicKey'{publicExponent = E, modulus = N}, - case public_key:verify(H, sha, SIG, Public) of + case verify(H, sha, SIG, Public) of false -> {error, bad_signature}; true -> @@ -472,9 +461,7 @@ verify_host_key_dss(SSH, K_S, H, H_SIG) -> ["ssh-dss",P,Q,G,Y] -> ["ssh-dss",SIG] = ssh_bits:decode(H_SIG,[string,binary]), Public = {Y, #'Dss-Parms'{p = P, q = Q, g = G}}, - <> = SIG, - Signature = public_key:der_encode('Dss-Sig-Value', #'Dss-Sig-Value'{r = R, s = S}), - case public_key:verify(H, sha, Signature, Public) of + case verify(H, sha, SIG, Public) of false -> {error, bad_signature}; true -> @@ -495,14 +482,10 @@ accepted_host(Ssh, PeerName, Opts) -> known_host_key(#ssh{opts = Opts, key_cb = Mod, peer = Peer} = Ssh, Public, Alg) -> PeerName = peer_name(Peer), - case Mod:lookup_host_key(PeerName, Alg, Opts) of - {ok, Public} -> + case Mod:is_host_key(Public, PeerName, Alg, Opts) of + true -> ok; - {ok, BadPublic} -> - error_logger:format("known_host_key: Public ~p BadPublic ~p\n", - [Public, BadPublic]), - {error, bad_public_key}; - {error, not_found} -> + false -> case accepted_host(Ssh, PeerName, Opts) of yes -> Mod:add_host_key(PeerName, Public, Opts); @@ -709,8 +692,20 @@ msg_data(PacketData) -> _:PaddingLen/binary>> = PacketData, Data. +sign(SigData, Hash, #'DSAPrivateKey'{} = Key) -> + DerSignature = public_key:sign(SigData, Hash, Key), + #'Dss-Sig-Value'{r = R, s = S} = public_key:der_decode('Dss-Sig-Value', DerSignature), + <>; +sign(SigData, Hash, Key) -> + public_key:sign(SigData, Hash, Key). + +verify(PlainText, Hash, Sig, {_, #'Dss-Parms'{}} = Key) -> + <> = Sig, + Signature = public_key:der_encode('Dss-Sig-Value', #'Dss-Sig-Value'{r = R, s = S}), + public_key:verify(PlainText, Hash, Signature, Key); +verify(PlainText, Hash, Sig, Key) -> + public_key:verify(PlainText, Hash, Sig, Key). - %% public key algorithms %% %% ssh-dss REQUIRED sign Raw DSS Key -- cgit v1.2.3 From c44ad548ebff4b4aaa6c7eafa463a94f638bf9d6 Mon Sep 17 00:00:00 2001 From: Ingela Anderton Andin Date: Tue, 7 Feb 2012 11:28:47 +0100 Subject: Client fallbacks to ipv4 if connection is refused with ipv6 --- lib/ssh/src/ssh.erl | 3 +++ 1 file changed, 3 insertions(+) (limited to 'lib/ssh') diff --git a/lib/ssh/src/ssh.erl b/lib/ssh/src/ssh.erl index eec17fd5d6..c47db64497 100644 --- a/lib/ssh/src/ssh.erl +++ b/lib/ssh/src/ssh.erl @@ -93,6 +93,9 @@ connect(Host, Port, Options, Timeout) -> %% might return undefined as the connection manager %% could allready have terminated, so we will not %% match the Manager in this case + {_, not_connected, {error, econnrefused}} when DisableIpv6 == false -> + do_demonitor(MRef, Manager), + connect(Host, Port, [{ip_v6_disabled, true} | Options], Timeout); {_, not_connected, {error, Reason}} -> do_demonitor(MRef, Manager), {error, Reason}; -- cgit v1.2.3 From 7e3101ebcf816925e3f6b0d4fdd75b18999b63ad Mon Sep 17 00:00:00 2001 From: Ingela Anderton Andin Date: Tue, 7 Feb 2012 14:27:52 +0100 Subject: Correct access flag handling in sftpd Also Moved app test to ssh_basic_SUITE There is no reason to have a separate suite for the app test it increases maintenance costs --- lib/ssh/src/ssh_sftpd.erl | 6 ++-- lib/ssh/test/Makefile | 3 +- lib/ssh/test/ssh_SUITE.erl | 72 ---------------------------------------- lib/ssh/test/ssh_basic_SUITE.erl | 11 +++++- lib/ssh/test/ssh_sftpd_SUITE.erl | 2 +- 5 files changed, 16 insertions(+), 78 deletions(-) delete mode 100644 lib/ssh/test/ssh_SUITE.erl (limited to 'lib/ssh') diff --git a/lib/ssh/src/ssh_sftpd.erl b/lib/ssh/src/ssh_sftpd.erl index 60b48d622f..8cc414f83a 100644 --- a/lib/ssh/src/ssh_sftpd.erl +++ b/lib/ssh/src/ssh_sftpd.erl @@ -599,6 +599,8 @@ decode_4_access_flag(add_subdirectory) -> [read]; decode_4_access_flag(append_data) -> [append]; +decode_4_access_flag(write_attributes) -> + [write]; decode_4_access_flag(_) -> [read]. @@ -613,7 +615,7 @@ open(Vsn, ReqId, Data, State) when Vsn =< 3 -> <> = Data, Path = binary_to_list(BPath), - Flags = ssh_xfer:decode_open_flags(Vsn, PFlags) -- [creat, excl, trunc], + Flags = ssh_xfer:decode_open_flags(Vsn, PFlags), do_open(ReqId, State, Path, Flags); open(Vsn, ReqId, Data, State) when Vsn >= 4 -> <= 4 -> do_open(ReqId, State0, Path, Flags) -> #state{file_handler = FileMod, file_state = FS0, root = Root} = State0, XF = State0#state.xf, - F = [raw, binary | Flags], + F = [binary | Flags], %% case FileMod:is_dir(Path) of %% This is version 6 we still have 5 %% true -> %% ssh_xfer:xf_send_status(State#state.xf, ReqId, diff --git a/lib/ssh/test/Makefile b/lib/ssh/test/Makefile index 1820924ed6..145d5d2ad6 100644 --- a/lib/ssh/test/Makefile +++ b/lib/ssh/test/Makefile @@ -1,7 +1,7 @@ # # %CopyrightBegin% # -# Copyright Ericsson AB 2004-2011. All Rights Reserved. +# Copyright Ericsson AB 2004-2012. All Rights Reserved. # # The contents of this file are subject to the Erlang Public License, # Version 1.1, (the "License"); you may not use this file except in @@ -32,7 +32,6 @@ VSN=$(GS_VSN) MODULES= \ ssh_test_lib \ - ssh_SUITE \ ssh_basic_SUITE \ ssh_to_openssh_SUITE \ ssh_sftp_SUITE \ diff --git a/lib/ssh/test/ssh_SUITE.erl b/lib/ssh/test/ssh_SUITE.erl deleted file mode 100644 index 953c9080f9..0000000000 --- a/lib/ssh/test/ssh_SUITE.erl +++ /dev/null @@ -1,72 +0,0 @@ -%% -%% %CopyrightBegin% -%% -%% Copyright Ericsson AB 2004-2011. All Rights Reserved. -%% -%% The contents of this file are subject to the Erlang Public License, -%% Version 1.1, (the "License"); you may not use this file except in -%% compliance with the License. You should have received a copy of the -%% Erlang Public License along with this software. If not, it can be -%% retrieved online at http://www.erlang.org/. -%% -%% Software distributed under the License is distributed on an "AS IS" -%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See -%% the License for the specific language governing rights and limitations -%% under the License. -%% -%% %CopyrightEnd% -%% - -%% -%%%---------------------------------------------------------------- -%%% Purpose:ssh application test suite. -%%%----------------------------------------------------------------- --module(ssh_SUITE). --include_lib("common_test/include/ct.hrl"). --include("test_server_line.hrl"). - -% Default timetrap timeout (set in init_per_testcase). --define(default_timeout, ?t:minutes(1)). --define(application, ssh). - -% Test server specific exports --export([all/0,groups/0,init_per_group/2,end_per_group/2]). --export([init_per_testcase/2, end_per_testcase/2]). - -% Test cases must be exported. --export([app_test/1]). --define(cases, [app_test]). - -%% -%% all/1 -%% -all() -> - [app_test]. - -groups() -> - []. - -init_per_group(_GroupName, Config) -> - Config. - -end_per_group(_GroupName, Config) -> - Config. - - -init_per_testcase(_Case, Config) -> - Dog=test_server:timetrap(?default_timeout), - [{watchdog, Dog}|Config]. -end_per_testcase(_Case, Config) -> - Dog=?config(watchdog, Config), - test_server:timetrap_cancel(Dog), - ok. -% -% Test cases starts here. -% -app_test(suite) -> - []; -app_test(doc) -> - ["Application consistency test."]; -app_test(Config) when is_list(Config) -> - ?t:app_test(?application), - ok. diff --git a/lib/ssh/test/ssh_basic_SUITE.erl b/lib/ssh/test/ssh_basic_SUITE.erl index ebbf044a8b..d69c71c842 100644 --- a/lib/ssh/test/ssh_basic_SUITE.erl +++ b/lib/ssh/test/ssh_basic_SUITE.erl @@ -103,7 +103,8 @@ end_per_testcase(_Config) -> %% Description: Returns a list of all test cases in this test suite %%-------------------------------------------------------------------- all() -> - [{group, dsa_key}, + [app_test, + {group, dsa_key}, {group, rsa_key}, daemon_already_started, server_password_option, server_userpassword_option]. @@ -139,6 +140,14 @@ end_per_group(_, Config) -> %% Test cases starts here. %%-------------------------------------------------------------------- +app_test(suite) -> + []; +app_test(doc) -> + ["Application consistency test."]; +app_test(Config) when is_list(Config) -> + ?t:app_test(ssh), + ok. + exec(doc) -> ["Test api function ssh_connection:exec"]; diff --git a/lib/ssh/test/ssh_sftpd_SUITE.erl b/lib/ssh/test/ssh_sftpd_SUITE.erl index 4af4c28ecf..6e4480ee9d 100644 --- a/lib/ssh/test/ssh_sftpd_SUITE.erl +++ b/lib/ssh/test/ssh_sftpd_SUITE.erl @@ -552,7 +552,7 @@ set_attributes(Config) when is_list(Config) -> {ok, FileInfo} = file:read_file_info(FileName), OrigPermissions = FileInfo#file_info.mode, - Permissions = 8#400, %% User read-only + Permissions = 8#600, %% User read-write-only Flags = ?SSH_FILEXFER_ATTR_PERMISSIONS, -- cgit v1.2.3