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-rw-r--r--erts/emulator/beam/break.c26
-rw-r--r--erts/emulator/beam/erl_bif_guard.c5
-rw-r--r--erts/emulator/beam/erl_nif.c2
-rw-r--r--erts/emulator/test/guard_SUITE.erl1
-rw-r--r--erts/emulator/test/num_bif_SUITE.erl3
-rw-r--r--lib/public_key/doc/src/public_key.xml5
-rw-r--r--lib/public_key/src/public_key.erl26
-rw-r--r--lib/public_key/test/public_key_SUITE.erl34
-rw-r--r--lib/ssh/doc/src/ssh.xml58
-rw-r--r--lib/ssh/src/ssh.erl47
-rw-r--r--lib/ssh/src/ssh_cli.erl18
-rw-r--r--lib/ssh/src/ssh_sftpd.erl55
-rw-r--r--lib/ssh/test/ssh_options_SUITE.erl26
-rw-r--r--lib/ssh/test/ssh_sftpd_SUITE.erl161
-rw-r--r--lib/ssh/test/ssh_to_openssh_SUITE.erl2
-rw-r--r--lib/xmerl/src/xmerl_scan.erl9
-rw-r--r--lib/xmerl/test/xmerl_SUITE.erl33
17 files changed, 401 insertions, 110 deletions
diff --git a/erts/emulator/beam/break.c b/erts/emulator/beam/break.c
index 8b772a011c..f2eda6c0f8 100644
--- a/erts/emulator/beam/break.c
+++ b/erts/emulator/beam/break.c
@@ -379,6 +379,16 @@ info(fmtfn_t to, void *to_arg)
}
+static int code_size(struct erl_module_instance* modi)
+{
+ ErtsLiteralArea* lit = modi->code_hdr->literal_area;
+ int size = modi->code_length;
+ if (lit) {
+ size += (lit->end - lit->start) * sizeof(Eterm);
+ }
+ return size;
+}
+
void
loaded(fmtfn_t to, void *to_arg)
{
@@ -399,9 +409,9 @@ loaded(fmtfn_t to, void *to_arg)
if ((modp = module_code(i, code_ix)) != NULL &&
((modp->curr.code_length != 0) ||
(modp->old.code_length != 0))) {
- cur += modp->curr.code_length;
+ cur += code_size(&modp->curr);
if (modp->old.code_length != 0) {
- old += modp->old.code_length;
+ old += code_size(&modp->old);
}
}
}
@@ -422,12 +432,12 @@ loaded(fmtfn_t to, void *to_arg)
((modp->curr.code_length != 0) ||
(modp->old.code_length != 0))) {
erts_print(to, to_arg, "%T", make_atom(modp->module));
- cur += modp->curr.code_length;
- erts_print(to, to_arg, " %d", modp->curr.code_length );
+ cur += code_size(&modp->curr);
+ erts_print(to, to_arg, " %d", code_size(&modp->curr));
if (modp->old.code_length != 0) {
erts_print(to, to_arg, " (%d old)",
- modp->old.code_length );
- old += modp->old.code_length;
+ code_size(&modp->old));
+ old += code_size(&modp->old);
}
erts_print(to, to_arg, "\n");
}
@@ -442,7 +452,7 @@ loaded(fmtfn_t to, void *to_arg)
erts_print(to, to_arg, "%T", make_atom(modp->module));
erts_print(to, to_arg, "\n");
erts_print(to, to_arg, "Current size: %d\n",
- modp->curr.code_length);
+ code_size(&modp->curr));
code = modp->curr.code_hdr;
if (code != NULL && code->attr_ptr) {
erts_print(to, to_arg, "Current attributes: ");
@@ -456,7 +466,7 @@ loaded(fmtfn_t to, void *to_arg)
}
if (modp->old.code_length != 0) {
- erts_print(to, to_arg, "Old size: %d\n", modp->old.code_length);
+ erts_print(to, to_arg, "Old size: %d\n", code_size(&modp->old));
code = modp->old.code_hdr;
if (code->attr_ptr) {
erts_print(to, to_arg, "Old attributes: ");
diff --git a/erts/emulator/beam/erl_bif_guard.c b/erts/emulator/beam/erl_bif_guard.c
index b42d2dc28b..74cf7cf11a 100644
--- a/erts/emulator/beam/erl_bif_guard.c
+++ b/erts/emulator/beam/erl_bif_guard.c
@@ -157,7 +157,7 @@ BIF_RETTYPE round_1(BIF_ALIST_1)
GET_DOUBLE(BIF_ARG_1, f);
/* round it and return the resultant integer */
- res = double_to_integer(BIF_P, (f.fd > 0.0) ? f.fd + 0.5 : f.fd - 0.5);
+ res = double_to_integer(BIF_P, round(f.fd));
BIF_RET(res);
}
@@ -597,8 +597,7 @@ Eterm erts_gc_round_1(Process* p, Eterm* reg, Uint live)
}
GET_DOUBLE(arg, f);
- return gc_double_to_integer(p, (f.fd > 0.0) ? f.fd + 0.5 : f.fd - 0.5,
- reg, live);
+ return gc_double_to_integer(p, round(f.fd), reg, live);
}
Eterm erts_gc_trunc_1(Process* p, Eterm* reg, Uint live)
diff --git a/erts/emulator/beam/erl_nif.c b/erts/emulator/beam/erl_nif.c
index 19ce0f6965..4fa15a8dd8 100644
--- a/erts/emulator/beam/erl_nif.c
+++ b/erts/emulator/beam/erl_nif.c
@@ -690,7 +690,7 @@ int enif_send(ErlNifEnv* env, const ErlNifPid* to_pid,
Uint sz = size_object(msg);
ErlOffHeap *ohp;
Eterm *hp;
- if (env && !env->tracee) {
+ if (c_p && !env->tracee) {
full_flush_env(env);
mp = erts_alloc_message_heap(rp, &rp_locks, sz, &hp, &ohp);
full_cache_env(env);
diff --git a/erts/emulator/test/guard_SUITE.erl b/erts/emulator/test/guard_SUITE.erl
index e155e5f49f..54ee710363 100644
--- a/erts/emulator/test/guard_SUITE.erl
+++ b/erts/emulator/test/guard_SUITE.erl
@@ -317,6 +317,7 @@ guard_bifs(Config) when is_list(Config) ->
try_gbif('float/1', Big, float(id(Big))),
try_gbif('trunc/1', Float, 387924.0),
try_gbif('round/1', Float, 387925.0),
+ try_gbif('round/1', 6209607916799025.0, 6209607916799025),
try_gbif('length/1', [], 0),
try_gbif('length/1', [a], 1),
diff --git a/erts/emulator/test/num_bif_SUITE.erl b/erts/emulator/test/num_bif_SUITE.erl
index d1c9648017..bb85738454 100644
--- a/erts/emulator/test/num_bif_SUITE.erl
+++ b/erts/emulator/test/num_bif_SUITE.erl
@@ -293,6 +293,9 @@ t_round(Config) when is_list(Config) ->
4294967297 = round(id(4294967296.9)),
-4294967296 = -round(id(4294967296.1)),
-4294967297 = -round(id(4294967296.9)),
+
+ 6209607916799025 = round(id(6209607916799025.0)),
+ -6209607916799025 = round(id(-6209607916799025.0)),
ok.
t_trunc(Config) when is_list(Config) ->
diff --git a/lib/public_key/doc/src/public_key.xml b/lib/public_key/doc/src/public_key.xml
index 37aa05e0fd..c97ec361d1 100644
--- a/lib/public_key/doc/src/public_key.xml
+++ b/lib/public_key/doc/src/public_key.xml
@@ -857,6 +857,7 @@ fun(#'DistributionPoint'{}, #'CertificateList'{},
<func>
<name>ssh_hostkey_fingerprint(HostKey) -> string()</name>
<name>ssh_hostkey_fingerprint(DigestType, HostKey) -> string()</name>
+ <name>ssh_hostkey_fingerprint([DigestType], HostKey) -> [string()]</name>
<fsummary>Calculates a ssh fingerprint for a hostkey.</fsummary>
<type>
<v>Key = public_key()</v>
@@ -880,6 +881,10 @@ fun(#'DistributionPoint'{}, #'CertificateList'{},
5> public_key:ssh_hostkey_fingerprint(sha256,Key).
"SHA256:aZGXhabfbf4oxglxltItWeHU7ub3Dc31NcNw2cMJePQ"
+
+ 6> public_key:ssh_hostkey_fingerprint([sha,sha256],Key).
+ ["SHA1:bSLY/C4QXLDL/Iwmhyg0PGW9UbY",
+ "SHA256:aZGXhabfbf4oxglxltItWeHU7ub3Dc31NcNw2cMJePQ"]
</code>
</desc>
</func>
diff --git a/lib/public_key/src/public_key.erl b/lib/public_key/src/public_key.erl
index 402f514803..adc35073d6 100644
--- a/lib/public_key/src/public_key.erl
+++ b/lib/public_key/src/public_key.erl
@@ -893,21 +893,31 @@ oid2ssh_curvename(?'secp521r1') -> <<"nistp521">>.
%%--------------------------------------------------------------------
-spec ssh_hostkey_fingerprint(public_key()) -> string().
--spec ssh_hostkey_fingerprint(digest_type(), public_key()) -> string().
+-spec ssh_hostkey_fingerprint( digest_type(), public_key()) -> string()
+ ; ([digest_type()], public_key()) -> [string()]
+ .
ssh_hostkey_fingerprint(Key) ->
- sshfp_string(md5, Key).
+ sshfp_string(md5, public_key:ssh_encode(Key,ssh2_pubkey) ).
+
+ssh_hostkey_fingerprint(HashAlgs, Key) when is_list(HashAlgs) ->
+ EncKey = public_key:ssh_encode(Key, ssh2_pubkey),
+ [sshfp_full_string(HashAlg,EncKey) || HashAlg <- HashAlgs];
+ssh_hostkey_fingerprint(HashAlg, Key) when is_atom(HashAlg) ->
+ EncKey = public_key:ssh_encode(Key, ssh2_pubkey),
+ sshfp_full_string(HashAlg, EncKey).
-ssh_hostkey_fingerprint(HashAlg, Key) ->
- lists:concat([sshfp_alg_name(HashAlg),
- [$: | sshfp_string(HashAlg, Key)]
- ]).
-sshfp_string(HashAlg, Key) ->
+sshfp_string(HashAlg, EncodedKey) ->
%% Other HashAlgs than md5 will be printed with
%% other formats than hextstr by
%% ssh-keygen -E <alg> -lf <file>
- fp_fmt(sshfp_fmt(HashAlg), crypto:hash(HashAlg, public_key:ssh_encode(Key,ssh2_pubkey))).
+ fp_fmt(sshfp_fmt(HashAlg), crypto:hash(HashAlg, EncodedKey)).
+
+sshfp_full_string(HashAlg, EncKey) ->
+ lists:concat([sshfp_alg_name(HashAlg),
+ [$: | sshfp_string(HashAlg, EncKey)]
+ ]).
sshfp_alg_name(sha) -> "SHA1";
sshfp_alg_name(Alg) -> string:to_upper(atom_to_list(Alg)).
diff --git a/lib/public_key/test/public_key_SUITE.erl b/lib/public_key/test/public_key_SUITE.erl
index 615ff32539..68aa152911 100644
--- a/lib/public_key/test/public_key_SUITE.erl
+++ b/lib/public_key/test/public_key_SUITE.erl
@@ -54,7 +54,8 @@ all() ->
ssh_hostkey_fingerprint_sha,
ssh_hostkey_fingerprint_sha256,
ssh_hostkey_fingerprint_sha384,
- ssh_hostkey_fingerprint_sha512
+ ssh_hostkey_fingerprint_sha512,
+ ssh_hostkey_fingerprint_list
].
groups() ->
@@ -93,20 +94,21 @@ end_per_group(_GroupName, Config) ->
%%-------------------------------------------------------------------
init_per_testcase(TestCase, Config) ->
case TestCase of
- ssh_hostkey_fingerprint_md5_implicit -> init_fingerprint_testcase(md5, Config);
- ssh_hostkey_fingerprint_md5 -> init_fingerprint_testcase(md5, Config);
- ssh_hostkey_fingerprint_sha -> init_fingerprint_testcase(sha, Config);
- ssh_hostkey_fingerprint_sha256 -> init_fingerprint_testcase(sha256, Config);
- ssh_hostkey_fingerprint_sha384 -> init_fingerprint_testcase(sha384, Config);
- ssh_hostkey_fingerprint_sha512 -> init_fingerprint_testcase(sha512, Config);
+ ssh_hostkey_fingerprint_md5_implicit -> init_fingerprint_testcase([md5], Config);
+ ssh_hostkey_fingerprint_md5 -> init_fingerprint_testcase([md5], Config);
+ ssh_hostkey_fingerprint_sha -> init_fingerprint_testcase([sha], Config);
+ ssh_hostkey_fingerprint_sha256 -> init_fingerprint_testcase([sha256], Config);
+ ssh_hostkey_fingerprint_sha384 -> init_fingerprint_testcase([sha384], Config);
+ ssh_hostkey_fingerprint_sha512 -> init_fingerprint_testcase([sha512], Config);
+ ssh_hostkey_fingerprint_list -> init_fingerprint_testcase([sha,md5], Config);
_ -> init_common_per_testcase(Config)
end.
-init_fingerprint_testcase(Alg, Config) ->
- CryptoSupports = lists:member(Alg, proplists:get_value(hashs, crypto:supports())),
- case CryptoSupports of
- false -> {skip,{Alg,not_supported}};
- true -> init_common_per_testcase(Config)
+init_fingerprint_testcase(Algs, Config) ->
+ Hashs = proplists:get_value(hashs, crypto:supports(), []),
+ case Algs -- Hashs of
+ [] -> init_common_per_testcase(Config);
+ UnsupportedAlgs -> {skip,{UnsupportedAlgs,not_supported}}
end.
init_common_per_testcase(Config0) ->
@@ -600,6 +602,14 @@ ssh_hostkey_fingerprint_sha512(_Config) ->
Expected = public_key:ssh_hostkey_fingerprint(sha512, ssh_hostkey(rsa)).
%%--------------------------------------------------------------------
+%% Since this kind of fingerprint is not available yet on standard
+%% distros, we do like this instead.
+ssh_hostkey_fingerprint_list(_Config) ->
+ Expected = ["SHA1:Soammnaqg06jrm2jivMSnzQGlmk",
+ "MD5:4b:0b:63:de:0f:a7:3a:ab:2c:cc:2d:d1:21:37:1d:3a"],
+ Expected = public_key:ssh_hostkey_fingerprint([sha,md5], ssh_hostkey(rsa)).
+
+%%--------------------------------------------------------------------
encrypt_decrypt() ->
[{doc, "Test public_key:encrypt_private and public_key:decrypt_public"}].
encrypt_decrypt(Config) when is_list(Config) ->
diff --git a/lib/ssh/doc/src/ssh.xml b/lib/ssh/doc/src/ssh.xml
index 6b49f89449..f6e26f5ee8 100644
--- a/lib/ssh/doc/src/ssh.xml
+++ b/lib/ssh/doc/src/ssh.xml
@@ -153,7 +153,7 @@
<item>
<p>IP version to use.</p>
</item>
- <tag><c><![CDATA[{user_dir, string()}]]></c></tag>
+ <tag><marker id="opt_user_dir"></marker><c><![CDATA[{user_dir, string()}]]></c></tag>
<item>
<p>Sets the user directory, that is, the directory containing
<c>ssh</c> configuration files for the user, such as
@@ -175,22 +175,48 @@
supplied with this option.
</p>
</item>
- <tag><c><![CDATA[{silently_accept_hosts, boolean() | accept_fun() | {crypto:digest_type(), accept_fun()} }]]></c>
- <br/>
- <c><![CDATA[accept_fun() :: fun(PeerName::string(), FingerPrint::string()) -> boolean()]]></c>
+ <tag>
+ <c><![CDATA[{silently_accept_hosts, boolean()}]]></c> <br/>
+ <c><![CDATA[{silently_accept_hosts, CallbackFun}]]></c> <br/>
+ <c><![CDATA[{silently_accept_hosts, {HashAlgoSpec, CallbackFun} }]]></c> <br/>
+ <br/>
+ <c><![CDATA[HashAlgoSpec = crypto:digest_type() | [ crypto:digest_type() ] ]]></c><br/>
+ <c><![CDATA[CallbackFun = fun(PeerName, FingerPrint) -> boolean()]]></c><br/>
+ <c><![CDATA[PeerName = string()]]></c><br/>
+ <c><![CDATA[FingerPrint = string() | [ string() ] ]]></c>
</tag>
<item>
- <p>When <c>true</c>, hosts are added to the
- file <c><![CDATA[known_hosts]]></c> without asking the user.
- Defaults to <c>false</c> which will give a user question on stdio of whether to accept or reject a previously
- unseen host.</p>
- <p>If the option value is has an <c>accept_fun()</c>, that fun will called with the arguments
- <c>(PeerName, PeerHostKeyFingerPrint)</c>. The fingerprint is calculated on the Peer's Host Key with
- <seealso marker="public_key:public_key#ssh_hostkey_fingerprint-1">public_key:ssh_hostkey_fingerprint/1</seealso>.
- </p>
- <p>If the <c>crypto:digest_type()</c> is present, the fingerprint is calculated with that digest type by the function
- <seealso marker="public_key:public_key#ssh_hostkey_fingerprint-2">public_key:ssh_hostkey_fingerprint/2</seealso>.
- </p>
+ <p>This option guides the <c>connect</c> function how to act when the connected server presents a Host
+ Key that the client has not seen before. The default is to ask the user with a question on stdio of whether to
+ accept or reject the new Host Key.
+ See also the option <seealso marker="#opt_user_dir"><c>user_dir</c></seealso>
+ for the path to the file <c>known_hosts</c> where previously accepted Host Keys are recorded.
+ </p>
+ <p>The option can be given in three different forms as seen above:</p>
+ <list>
+ <item>The value is a <c>boolean()</c>. The value <c>true</c> will make the client accept any unknown
+ Host Key without any user interaction. The value <c>false</c> keeps the default behaviour of asking the
+ the user on stdio.
+ </item>
+ <item>A <c>CallbackFun</c> will be called and the boolean return value <c>true</c> will make the client
+ accept the Host Key. A return value of <c>false</c> will make the client to reject the Host Key and therefore
+ also the connection will be closed. The arguments to the fun are:
+ <list type="bulleted">
+ <item><c>PeerName</c> - a string with the name or address of the remote host.</item>
+ <item><c>FingerPrint</c> - the fingerprint of the Host Key as
+ <seealso marker="public_key:public_key#ssh_hostkey_fingerprint-1">public_key:ssh_hostkey_fingerprint/1</seealso>
+ calculates it.
+ </item>
+ </list>
+ </item>
+ <item>A tuple <c>{HashAlgoSpec, CallbackFun}</c>. The <c>HashAlgoSpec</c> specifies which hash algorithm
+ shall be used to calculate the fingerprint used in the call of the <c>CallbackFun</c>. The <c>HashALgoSpec</c>
+ is either an atom or a list of atoms as the first argument in
+ <seealso marker="public_key:public_key#ssh_hostkey_fingerprint-2">public_key:ssh_hostkey_fingerprint/2</seealso>.
+ If it is a list of hash algorithm names, the <c>FingerPrint</c> argument in the <c>CallbackFun</c> will be
+ a list of fingerprints in the same order as the corresponding name in the <c>HashAlgoSpec</c> list.
+ </item>
+ </list>
</item>
<tag><c><![CDATA[{user_interaction, boolean()}]]></c></tag>
<item>
@@ -200,7 +226,7 @@
supplying a password. Defaults to <c>true</c>.
Even if user interaction is allowed it can be
suppressed by other options, such as <c>silently_accept_hosts</c>
- and <c>password</c>. However, those optins are not always desirable
+ and <c>password</c>. However, those options are not always desirable
to use from a security point of view.</p>
</item>
diff --git a/lib/ssh/src/ssh.erl b/lib/ssh/src/ssh.erl
index 31e343e81b..68d98d3875 100644
--- a/lib/ssh/src/ssh.erl
+++ b/lib/ssh/src/ssh.erl
@@ -280,9 +280,11 @@ valid_socket_to_use(Socket, Options) ->
{error, {unsupported,L4}}
end.
-is_tcp_socket(Socket) -> {ok,[]} =/= inet:getopts(Socket, [delay_send]).
-
-
+is_tcp_socket(Socket) ->
+ case inet:getopts(Socket, [delay_send]) of
+ {ok,[_]} -> true;
+ _ -> false
+ end.
daemon_shell_opt(Options) ->
case proplists:get_value(shell, Options) of
@@ -317,6 +319,7 @@ start_daemon(Socket, Options) ->
do_start_daemon(Socket, [{role,server}|SshOptions], SocketOptions)
catch
throw:bad_fd -> {error,bad_fd};
+ throw:bad_socket -> {error,bad_socket};
_C:_E -> {error,{cannot_start_daemon,_C,_E}}
end;
{error,SockError} ->
@@ -333,6 +336,7 @@ start_daemon(Host, Port, Options, Inet) ->
do_start_daemon(Host, Port, [{role,server}|SshOptions] , [Inet|SocketOptions])
catch
throw:bad_fd -> {error,bad_fd};
+ throw:bad_socket -> {error,bad_socket};
_C:_E -> {error,{cannot_start_daemon,_C,_E}}
end
end.
@@ -362,8 +366,7 @@ do_start_daemon(Socket, SshOptions, SocketOptions) ->
{error, {already_started, _}} ->
{error, eaddrinuse};
Result = {ok,_} ->
- ssh_acceptor:handle_connection(Callback, Host, Port, Opts, Socket),
- Result;
+ call_ssh_acceptor_handle_connection(Callback, Host, Port, Opts, Socket, Result);
Result = {error, _} ->
Result
catch
@@ -376,8 +379,7 @@ do_start_daemon(Socket, SshOptions, SocketOptions) ->
{error, {already_started, _}} ->
{error, eaddrinuse};
{ok, _} ->
- ssh_acceptor:handle_connection(Callback, Host, Port, Opts, Socket),
- {ok, Sup};
+ call_ssh_acceptor_handle_connection(Callback, Host, Port, Opts, Socket, {ok, Sup});
Other ->
Other
end
@@ -447,6 +449,16 @@ do_start_daemon(Host0, Port0, SshOptions, SocketOptions) ->
end
end.
+call_ssh_acceptor_handle_connection(Callback, Host, Port, Opts, Socket, DefaultResult) ->
+ try ssh_acceptor:handle_connection(Callback, Host, Port, Opts, Socket)
+ of
+ {error,Error} -> {error,Error};
+ _ -> DefaultResult
+ catch
+ C:R -> {error,{could_not_start_connection,{C,R}}}
+ end.
+
+
sync_request_control(false) ->
ok;
sync_request_control({LSock,Callback}) ->
@@ -620,11 +632,22 @@ handle_ssh_option({silently_accept_hosts, Value} = Opt) when is_boolean(Value) -
handle_ssh_option({silently_accept_hosts, Value} = Opt) when is_function(Value,2) ->
Opt;
handle_ssh_option({silently_accept_hosts, {DigestAlg,Value}} = Opt) when is_function(Value,2) ->
- case lists:member(DigestAlg, [md5, sha, sha224, sha256, sha384, sha512]) of
- true ->
- Opt;
- false ->
- throw({error, {eoptions, Opt}})
+ Algs = if is_atom(DigestAlg) -> [DigestAlg];
+ is_list(DigestAlg) -> DigestAlg;
+ true -> throw({error, {eoptions, Opt}})
+ end,
+ case [A || A <- Algs,
+ not lists:member(A, [md5, sha, sha224, sha256, sha384, sha512])] of
+ [_|_] = UnSup1 ->
+ throw({error, {{eoptions, Opt}, {not_fingerprint_algos,UnSup1}}});
+ [] ->
+ CryptoHashAlgs = proplists:get_value(hashs, crypto:supports(), []),
+ case [A || A <- Algs,
+ not lists:member(A, CryptoHashAlgs)] of
+ [_|_] = UnSup2 ->
+ throw({error, {{eoptions, Opt}, {unsupported_algo,UnSup2}}});
+ [] -> Opt
+ end
end;
handle_ssh_option({user_interaction, Value} = Opt) when is_boolean(Value) ->
Opt;
diff --git a/lib/ssh/src/ssh_cli.erl b/lib/ssh/src/ssh_cli.erl
index 8af0ecc5f9..6f8c050486 100644
--- a/lib/ssh/src/ssh_cli.erl
+++ b/lib/ssh/src/ssh_cli.erl
@@ -453,14 +453,20 @@ move_cursor(From, To, #ssh_pty{width=Width, term=Type}) ->
%% %%% make sure that there is data to send
%% %%% before calling ssh_connection:send
write_chars(ConnectionHandler, ChannelId, Chars) ->
- case erlang:iolist_size(Chars) of
- 0 ->
- ok;
- _ ->
- ssh_connection:send(ConnectionHandler, ChannelId,
- ?SSH_EXTENDED_DATA_DEFAULT, Chars)
+ case has_chars(Chars) of
+ false -> ok;
+ true -> ssh_connection:send(ConnectionHandler,
+ ChannelId,
+ ?SSH_EXTENDED_DATA_DEFAULT,
+ Chars)
end.
+has_chars([C|_]) when is_integer(C) -> true;
+has_chars([H|T]) when is_list(H) ; is_binary(H) -> has_chars(H) orelse has_chars(T);
+has_chars(<<_:8,_/binary>>) -> true;
+has_chars(_) -> false.
+
+
%%% tail, works with empty lists
tl1([_|A]) -> A;
tl1(_) -> [].
diff --git a/lib/ssh/src/ssh_sftpd.erl b/lib/ssh/src/ssh_sftpd.erl
index b739955836..9352046795 100644
--- a/lib/ssh/src/ssh_sftpd.erl
+++ b/lib/ssh/src/ssh_sftpd.erl
@@ -664,29 +664,25 @@ open(Vsn, ReqId, Data, State) when Vsn >= 4 ->
do_open(ReqId, State, Path, Flags).
do_open(ReqId, State0, Path, Flags) ->
- #state{file_handler = FileMod, file_state = FS0, root = Root, xf = #ssh_xfer{vsn = Vsn}} = State0,
- XF = State0#state.xf,
- F = [binary | Flags],
- {IsDir, _FS1} = FileMod:is_dir(Path, FS0),
+ #state{file_handler = FileMod, file_state = FS0, xf = #ssh_xfer{vsn = Vsn}} = State0,
+ AbsPath = relate_file_name(Path, State0),
+ {IsDir, _FS1} = FileMod:is_dir(AbsPath, FS0),
case IsDir of
true when Vsn > 5 ->
ssh_xfer:xf_send_status(State0#state.xf, ReqId,
- ?SSH_FX_FILE_IS_A_DIRECTORY, "File is a directory");
+ ?SSH_FX_FILE_IS_A_DIRECTORY, "File is a directory"),
+ State0;
true ->
ssh_xfer:xf_send_status(State0#state.xf, ReqId,
- ?SSH_FX_FAILURE, "File is a directory");
+ ?SSH_FX_FAILURE, "File is a directory"),
+ State0;
false ->
- AbsPath = case Root of
- "" ->
- Path;
- _ ->
- relate_file_name(Path, State0)
- end,
- {Res, FS1} = FileMod:open(AbsPath, F, FS0),
+ OpenFlags = [binary | Flags],
+ {Res, FS1} = FileMod:open(AbsPath, OpenFlags, FS0),
State1 = State0#state{file_state = FS1},
case Res of
{ok, IoDevice} ->
- add_handle(State1, XF, ReqId, file, {Path,IoDevice});
+ add_handle(State1, State0#state.xf, ReqId, file, {Path,IoDevice});
{error, Error} ->
ssh_xfer:xf_send_status(State1#state.xf, ReqId,
ssh_xfer:encode_erlang_status(Error)),
@@ -742,6 +738,10 @@ resolve_symlinks_2([], State, _LinkCnt, AccPath) ->
{{ok, AccPath}, State}.
+%% The File argument is always in a user visible file system, i.e.
+%% is under Root and is relative to CWD or Root, if starts with "/".
+%% The result of the function is always an absolute path in a
+%% "backend" file system.
relate_file_name(File, State) ->
relate_file_name(File, State, _Canonicalize=true).
@@ -749,19 +749,20 @@ relate_file_name(File, State, Canonicalize) when is_binary(File) ->
relate_file_name(unicode:characters_to_list(File), State, Canonicalize);
relate_file_name(File, #state{cwd = CWD, root = ""}, Canonicalize) ->
relate_filename_to_path(File, CWD, Canonicalize);
-relate_file_name(File, #state{root = Root}, Canonicalize) ->
- case is_within_root(Root, File) of
- true ->
- File;
- false ->
- RelFile = make_relative_filename(File),
- NewFile = relate_filename_to_path(RelFile, Root, Canonicalize),
- case is_within_root(Root, NewFile) of
- true ->
- NewFile;
- false ->
- Root
- end
+relate_file_name(File, #state{cwd = CWD, root = Root}, Canonicalize) ->
+ CWD1 = case is_within_root(Root, CWD) of
+ true -> CWD;
+ false -> Root
+ end,
+ AbsFile = case make_relative_filename(File) of
+ File ->
+ relate_filename_to_path(File, CWD1, Canonicalize);
+ RelFile ->
+ relate_filename_to_path(RelFile, Root, Canonicalize)
+ end,
+ case is_within_root(Root, AbsFile) of
+ true -> AbsFile;
+ false -> Root
end.
is_within_root(Root, File) ->
diff --git a/lib/ssh/test/ssh_options_SUITE.erl b/lib/ssh/test/ssh_options_SUITE.erl
index 86f5cb1746..d07c596411 100644
--- a/lib/ssh/test/ssh_options_SUITE.erl
+++ b/lib/ssh/test/ssh_options_SUITE.erl
@@ -67,7 +67,8 @@
hostkey_fingerprint_check_sha/1,
hostkey_fingerprint_check_sha256/1,
hostkey_fingerprint_check_sha384/1,
- hostkey_fingerprint_check_sha512/1
+ hostkey_fingerprint_check_sha512/1,
+ hostkey_fingerprint_check_list/1
]).
%%% Common test callbacks
@@ -112,6 +113,7 @@ all() ->
hostkey_fingerprint_check_sha256,
hostkey_fingerprint_check_sha384,
hostkey_fingerprint_check_sha512,
+ hostkey_fingerprint_check_list,
id_string_no_opt_client,
id_string_own_string_client,
id_string_random_client,
@@ -812,6 +814,8 @@ hostkey_fingerprint_check_sha384(Config) ->
hostkey_fingerprint_check_sha512(Config) ->
do_hostkey_fingerprint_check(Config, sha512).
+hostkey_fingerprint_check_list(Config) ->
+ do_hostkey_fingerprint_check(Config, [sha,md5,sha256]).
%%%----
do_hostkey_fingerprint_check(Config, HashAlg) ->
@@ -824,9 +828,10 @@ do_hostkey_fingerprint_check(Config, HashAlg) ->
supported_hash(old) -> true;
supported_hash(HashAlg) ->
- proplists:get_value(HashAlg,
- proplists:get_value(hashs, crypto:supports(), []),
- false).
+ Hs = if is_atom(HashAlg) -> [HashAlg];
+ is_list(HashAlg) -> HashAlg
+ end,
+ [] == (Hs -- proplists:get_value(hashs, crypto:supports(), [])).
really_do_hostkey_fingerprint_check(Config, HashAlg) ->
@@ -840,7 +845,7 @@ really_do_hostkey_fingerprint_check(Config, HashAlg) ->
%% All host key fingerprints. Trust that public_key has checked the ssh_hostkey_fingerprint
%% function since that function is used by the ssh client...
- FPs = [case HashAlg of
+ FPs0 = [case HashAlg of
old -> public_key:ssh_hostkey_fingerprint(Key);
_ -> public_key:ssh_hostkey_fingerprint(HashAlg, Key)
end
@@ -856,6 +861,9 @@ really_do_hostkey_fingerprint_check(Config, HashAlg) ->
_:_ -> []
end
end],
+ FPs = if is_atom(HashAlg) -> FPs0;
+ is_list(HashAlg) -> lists:concat(FPs0)
+ end,
ct:log("Fingerprints(~p) = ~p",[HashAlg,FPs]),
%% Start daemon with the public keys that we got fingerprints from
@@ -866,8 +874,12 @@ really_do_hostkey_fingerprint_check(Config, HashAlg) ->
FP_check_fun = fun(PeerName, FP) ->
ct:pal("PeerName = ~p, FP = ~p",[PeerName,FP]),
HostCheck = (Host == PeerName),
- FPCheck = lists:member(FP, FPs),
- ct:log("check ~p == ~p (~p) and ~n~p in ~p (~p)~n",
+ FPCheck =
+ if is_atom(HashAlg) -> lists:member(FP, FPs);
+ is_list(HashAlg) -> lists:all(fun(FP1) -> lists:member(FP1,FPs) end,
+ FP)
+ end,
+ ct:log("check ~p == ~p (~p) and ~n~p~n in ~p (~p)~n",
[PeerName,Host,HostCheck,FP,FPs,FPCheck]),
HostCheck and FPCheck
end,
diff --git a/lib/ssh/test/ssh_sftpd_SUITE.erl b/lib/ssh/test/ssh_sftpd_SUITE.erl
index 52a26110c4..6d18a980ee 100644
--- a/lib/ssh/test/ssh_sftpd_SUITE.erl
+++ b/lib/ssh/test/ssh_sftpd_SUITE.erl
@@ -65,7 +65,12 @@ all() ->
ver3_open_flags,
relpath,
sshd_read_file,
- ver6_basic].
+ ver6_basic,
+ access_outside_root,
+ root_with_cwd,
+ relative_path,
+ open_file_dir_v5,
+ open_file_dir_v6].
groups() ->
[].
@@ -117,6 +122,31 @@ init_per_testcase(TestCase, Config) ->
ver6_basic ->
SubSystems = [ssh_sftpd:subsystem_spec([{sftpd_vsn, 6}])],
ssh:daemon(0, [{subsystems, SubSystems}|Options]);
+ access_outside_root ->
+ %% Build RootDir/access_outside_root/a/b and set Root and CWD
+ BaseDir = filename:join(PrivDir, access_outside_root),
+ RootDir = filename:join(BaseDir, a),
+ CWD = filename:join(RootDir, b),
+ %% Make the directory chain:
+ ok = filelib:ensure_dir(filename:join(CWD, tmp)),
+ SubSystems = [ssh_sftpd:subsystem_spec([{root, RootDir},
+ {cwd, CWD}])],
+ ssh:daemon(0, [{subsystems, SubSystems}|Options]);
+ root_with_cwd ->
+ RootDir = filename:join(PrivDir, root_with_cwd),
+ CWD = filename:join(RootDir, home),
+ SubSystems = [ssh_sftpd:subsystem_spec([{root, RootDir}, {cwd, CWD}])],
+ ssh:daemon(0, [{subsystems, SubSystems}|Options]);
+ relative_path ->
+ SubSystems = [ssh_sftpd:subsystem_spec([{cwd, PrivDir}])],
+ ssh:daemon(0, [{subsystems, SubSystems}|Options]);
+ open_file_dir_v5 ->
+ SubSystems = [ssh_sftpd:subsystem_spec([{cwd, PrivDir}])],
+ ssh:daemon(0, [{subsystems, SubSystems}|Options]);
+ open_file_dir_v6 ->
+ SubSystems = [ssh_sftpd:subsystem_spec([{cwd, PrivDir},
+ {sftpd_vsn, 6}])],
+ ssh:daemon(0, [{subsystems, SubSystems}|Options]);
_ ->
SubSystems = [ssh_sftpd:subsystem_spec([])],
ssh:daemon(0, [{subsystems, SubSystems}|Options])
@@ -646,6 +676,133 @@ ver6_basic(Config) when is_list(Config) ->
open_file(PrivDir, Cm, Channel, ReqId,
?ACE4_READ_DATA bor ?ACE4_READ_ATTRIBUTES,
?SSH_FXF_OPEN_EXISTING).
+
+%%--------------------------------------------------------------------
+access_outside_root() ->
+ [{doc, "Try access files outside the tree below RootDir"}].
+access_outside_root(Config) when is_list(Config) ->
+ PrivDir = proplists:get_value(priv_dir, Config),
+ BaseDir = filename:join(PrivDir, access_outside_root),
+ %% A file outside the tree below RootDir which is BaseDir/a
+ %% Make the file BaseDir/bad :
+ BadFilePath = filename:join([BaseDir, bad]),
+ ok = file:write_file(BadFilePath, <<>>),
+ {Cm, Channel} = proplists:get_value(sftp, Config),
+ %% Try to access a file parallell to the RootDir:
+ try_access("/../bad", Cm, Channel, 0),
+ %% Try to access the same file via the CWD which is /b relative to the RootDir:
+ try_access("../../bad", Cm, Channel, 1).
+
+
+try_access(Path, Cm, Channel, ReqId) ->
+ Return =
+ open_file(Path, Cm, Channel, ReqId,
+ ?ACE4_READ_DATA bor ?ACE4_READ_ATTRIBUTES,
+ ?SSH_FXF_OPEN_EXISTING),
+ ct:log("Try open ~p -> ~p",[Path,Return]),
+ case Return of
+ {ok, <<?SSH_FXP_HANDLE, ?UINT32(ReqId), _Handle0/binary>>, _} ->
+ ct:fail("Could open a file outside the root tree!");
+ {ok, <<?SSH_FXP_STATUS, ?UINT32(ReqId), ?UINT32(Code), Rest/binary>>, <<>>} ->
+ case Code of
+ ?SSH_FX_FILE_IS_A_DIRECTORY ->
+ ct:pal("Got the expected SSH_FX_FILE_IS_A_DIRECTORY status",[]),
+ ok;
+ ?SSH_FX_FAILURE ->
+ ct:pal("Got the expected SSH_FX_FAILURE status",[]),
+ ok;
+ _ ->
+ case Rest of
+ <<?UINT32(Len), Txt:Len/binary, _/binary>> ->
+ ct:fail("Got unexpected SSH_FX_code: ~p (~p)",[Code,Txt]);
+ _ ->
+ ct:fail("Got unexpected SSH_FX_code: ~p",[Code])
+ end
+ end;
+ _ ->
+ ct:fail("Completly unexpected return: ~p", [Return])
+ end.
+
+%%--------------------------------------------------------------------
+root_with_cwd() ->
+ [{doc, "Check if files are found, if the CWD and Root are specified"}].
+root_with_cwd(Config) when is_list(Config) ->
+ PrivDir = proplists:get_value(priv_dir, Config),
+ RootDir = filename:join(PrivDir, root_with_cwd),
+ CWD = filename:join(RootDir, home),
+ FileName = "root_with_cwd.txt",
+ FilePath = filename:join(CWD, FileName),
+ ok = filelib:ensure_dir(FilePath),
+ ok = file:write_file(FilePath ++ "0", <<>>),
+ ok = file:write_file(FilePath ++ "1", <<>>),
+ ok = file:write_file(FilePath ++ "2", <<>>),
+ {Cm, Channel} = proplists:get_value(sftp, Config),
+ ReqId0 = 0,
+ {ok, <<?SSH_FXP_HANDLE, ?UINT32(ReqId0), _Handle0/binary>>, _} =
+ open_file(FileName ++ "0", Cm, Channel, ReqId0,
+ ?ACE4_READ_DATA bor ?ACE4_READ_ATTRIBUTES,
+ ?SSH_FXF_OPEN_EXISTING),
+ ReqId1 = 1,
+ {ok, <<?SSH_FXP_HANDLE, ?UINT32(ReqId1), _Handle1/binary>>, _} =
+ open_file("./" ++ FileName ++ "1", Cm, Channel, ReqId1,
+ ?ACE4_READ_DATA bor ?ACE4_READ_ATTRIBUTES,
+ ?SSH_FXF_OPEN_EXISTING),
+ ReqId2 = 2,
+ {ok, <<?SSH_FXP_HANDLE, ?UINT32(ReqId2), _Handle2/binary>>, _} =
+ open_file("/home/" ++ FileName ++ "2", Cm, Channel, ReqId2,
+ ?ACE4_READ_DATA bor ?ACE4_READ_ATTRIBUTES,
+ ?SSH_FXF_OPEN_EXISTING).
+
+%%--------------------------------------------------------------------
+relative_path() ->
+ [{doc, "Test paths relative to CWD when opening a file handle."}].
+relative_path(Config) when is_list(Config) ->
+ PrivDir = proplists:get_value(priv_dir, Config),
+ FileName = "test_relative_path.txt",
+ FilePath = filename:join(PrivDir, FileName),
+ ok = filelib:ensure_dir(FilePath),
+ ok = file:write_file(FilePath, <<>>),
+ {Cm, Channel} = proplists:get_value(sftp, Config),
+ ReqId = 0,
+ {ok, <<?SSH_FXP_HANDLE, ?UINT32(ReqId), _Handle/binary>>, _} =
+ open_file(FileName, Cm, Channel, ReqId,
+ ?ACE4_READ_DATA bor ?ACE4_READ_ATTRIBUTES,
+ ?SSH_FXF_OPEN_EXISTING).
+
+%%--------------------------------------------------------------------
+open_file_dir_v5() ->
+ [{doc, "Test if open_file fails when opening existing directory."}].
+open_file_dir_v5(Config) when is_list(Config) ->
+ PrivDir = proplists:get_value(priv_dir, Config),
+ FileName = "open_file_dir_v5",
+ FilePath = filename:join(PrivDir, FileName),
+ ok = filelib:ensure_dir(FilePath),
+ ok = file:make_dir(FilePath),
+ {Cm, Channel} = proplists:get_value(sftp, Config),
+ ReqId = 0,
+ {ok, <<?SSH_FXP_STATUS, ?UINT32(ReqId),
+ ?UINT32(?SSH_FX_FAILURE), _/binary>>, _} =
+ open_file(FileName, Cm, Channel, ReqId,
+ ?ACE4_READ_DATA bor ?ACE4_READ_ATTRIBUTES,
+ ?SSH_FXF_OPEN_EXISTING).
+
+%%--------------------------------------------------------------------
+open_file_dir_v6() ->
+ [{doc, "Test if open_file fails when opening existing directory."}].
+open_file_dir_v6(Config) when is_list(Config) ->
+ PrivDir = proplists:get_value(priv_dir, Config),
+ FileName = "open_file_dir_v6",
+ FilePath = filename:join(PrivDir, FileName),
+ ok = filelib:ensure_dir(FilePath),
+ ok = file:make_dir(FilePath),
+ {Cm, Channel} = proplists:get_value(sftp, Config),
+ ReqId = 0,
+ {ok, <<?SSH_FXP_STATUS, ?UINT32(ReqId),
+ ?UINT32(?SSH_FX_FILE_IS_A_DIRECTORY), _/binary>>, _} =
+ open_file(FileName, Cm, Channel, ReqId,
+ ?ACE4_READ_DATA bor ?ACE4_READ_ATTRIBUTES,
+ ?SSH_FXF_OPEN_EXISTING).
+
%%--------------------------------------------------------------------
%% Internal functions ------------------------------------------------
%%--------------------------------------------------------------------
@@ -688,9 +845,7 @@ reply(Cm, Channel, RBuf) ->
30000 -> ct:fail("timeout ~p:~p",[?MODULE,?LINE])
end.
-
open_file(File, Cm, Channel, ReqId, Access, Flags) ->
-
Data = list_to_binary([?uint32(ReqId),
?binary(list_to_binary(File)),
?uint32(Access),
diff --git a/lib/ssh/test/ssh_to_openssh_SUITE.erl b/lib/ssh/test/ssh_to_openssh_SUITE.erl
index 86c3d5de26..b6f4a7371d 100644
--- a/lib/ssh/test/ssh_to_openssh_SUITE.erl
+++ b/lib/ssh/test/ssh_to_openssh_SUITE.erl
@@ -36,7 +36,7 @@
%%--------------------------------------------------------------------
suite() ->
- [{timetrap,{seconds,20}}].
+ [{timetrap,{seconds,60}}].
all() ->
case os:find_executable("ssh") of
diff --git a/lib/xmerl/src/xmerl_scan.erl b/lib/xmerl/src/xmerl_scan.erl
index 9f6b27113e..95dc82e5c9 100644
--- a/lib/xmerl/src/xmerl_scan.erl
+++ b/lib/xmerl/src/xmerl_scan.erl
@@ -2309,7 +2309,9 @@ expanded_name(Name, [], #xmlNamespace{default = URI}, S) ->
expanded_name(Name, N = {"xmlns", Local}, #xmlNamespace{nodes = Ns}, S) ->
{_, Value} = lists:keyfind(Local, 1, Ns),
case Name of
- 'xmlns:xml' when Value =/= 'http://www.w3.org/XML/1998/namespace' ->
+ 'xmlns:xml' when Value =:= 'http://www.w3.org/XML/1998/namespace' ->
+ N;
+ 'xmlns:xml' when Value =/= 'http://www.w3.org/XML/1998/namespace' ->
?fatal({xml_prefix_cannot_be_redeclared, Value}, S);
'xmlns:xmlns' ->
?fatal({xmlns_prefix_cannot_be_declared, Value}, S);
@@ -2323,6 +2325,8 @@ expanded_name(Name, N = {"xmlns", Local}, #xmlNamespace{nodes = Ns}, S) ->
N
end
end;
+expanded_name(_Name, {"xml", Local}, _NS, _S) ->
+ {'http://www.w3.org/XML/1998/namespace', list_to_atom(Local)};
expanded_name(_Name, {Prefix, Local}, #xmlNamespace{nodes = Ns}, S) ->
case lists:keysearch(Prefix, 1, Ns) of
{value, {_, URI}} ->
@@ -2333,9 +2337,6 @@ expanded_name(_Name, {Prefix, Local}, #xmlNamespace{nodes = Ns}, S) ->
?fatal({namespace_prefix_not_declared, Prefix}, S)
end.
-
-
-
keyreplaceadd(K, Pos, [H|T], Obj) when K == element(Pos, H) ->
[Obj|T];
keyreplaceadd(K, Pos, [H|T], Obj) ->
diff --git a/lib/xmerl/test/xmerl_SUITE.erl b/lib/xmerl/test/xmerl_SUITE.erl
index cf7c0b7548..58c462483c 100644
--- a/lib/xmerl/test/xmerl_SUITE.erl
+++ b/lib/xmerl/test/xmerl_SUITE.erl
@@ -55,7 +55,7 @@ groups() ->
{misc, [],
[latin1_alias, syntax_bug1, syntax_bug2, syntax_bug3,
pe_ref1, copyright, testXSEIF, export_simple1, export,
- default_attrs_bug]},
+ default_attrs_bug, xml_ns]},
{eventp_tests, [], [sax_parse_and_export]},
{ticket_tests, [],
[ticket_5998, ticket_7211, ticket_7214, ticket_7430,
@@ -237,7 +237,36 @@ default_attrs_bug(Config) ->
{#xmlElement{attributes = [#xmlAttribute{name = b, value = "also explicit"},
#xmlAttribute{name = a, value = "explicit"}]},
[]
- } = xmerl_scan:string(Doc2, [{default_attrs, true}]).
+ } = xmerl_scan:string(Doc2, [{default_attrs, true}]),
+ ok.
+
+
+xml_ns(Config) ->
+ Doc = "<?xml version='1.0'?>\n"
+ "<doc xml:attr1=\"implicit xml ns\"/>",
+ {#xmlElement{namespace=#xmlNamespace{default = [], nodes = []},
+ attributes = [#xmlAttribute{name = 'xml:attr1',
+ expanded_name = {'http://www.w3.org/XML/1998/namespace',attr1},
+ nsinfo = {"xml","attr1"},
+ namespace = #xmlNamespace{default = [], nodes = []}}]},
+ []
+ } = xmerl_scan:string(Doc, [{namespace_conformant, true}]),
+ Doc2 = "<?xml version='1.0'?>\n"
+ "<doc xmlns:xml=\"http://www.w3.org/XML/1998/namespace\" xml:attr1=\"explicit xml ns\"/>",
+ {#xmlElement{namespace=#xmlNamespace{default = [], nodes = [{"xml",'http://www.w3.org/XML/1998/namespace'}]},
+ attributes = [#xmlAttribute{name = 'xmlns:xml',
+ expanded_name = {"xmlns","xml"},
+ nsinfo = {"xmlns","xml"},
+ namespace = #xmlNamespace{default = [],
+ nodes = [{"xml",'http://www.w3.org/XML/1998/namespace'}]}},
+ #xmlAttribute{name = 'xml:attr1',
+ expanded_name = {'http://www.w3.org/XML/1998/namespace',attr1},
+ nsinfo = {"xml","attr1"},
+ namespace = #xmlNamespace{default = [],
+ nodes = [{"xml",'http://www.w3.org/XML/1998/namespace'}]}}]},
+ []
+ } = xmerl_scan:string(Doc2, [{namespace_conformant, true}]),
+ ok.
pe_ref1(Config) ->
file:set_cwd(datadir(Config)),
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-16 16:12:29 +0000