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-rw-r--r--lib/ssh/doc/src/introduction.xml2
-rw-r--r--lib/ssh/doc/src/notes.xml140
-rw-r--r--lib/ssh/doc/src/ssh.xml52
-rw-r--r--lib/ssh/doc/src/ssh_protocol.xml4
-rw-r--r--lib/ssh/doc/src/using_ssh.xml4
5 files changed, 187 insertions, 15 deletions
diff --git a/lib/ssh/doc/src/introduction.xml b/lib/ssh/doc/src/introduction.xml
index ca84528f3d..b7a73e2597 100644
--- a/lib/ssh/doc/src/introduction.xml
+++ b/lib/ssh/doc/src/introduction.xml
@@ -195,8 +195,6 @@
Transport Layer Protocol</item>
<item><url href="http://www.ietf.org/rfc/rfc4254.txt">RFC 4254</url> -
Connection Protocol</item>
- <item><url href="http://www.ietf.org/rfc/rfc4255.txt">RFC 4255</url> -
- Key Fingerprints</item>
<item><url href="http://www.ietf.org/rfc/rfc4344.txt">RFC 4344</url> -
Transport Layer Encryption Modes</item>
<item><url href="http://www.ietf.org/rfc/rfc4716.txt">RFC 4716</url> -
diff --git a/lib/ssh/doc/src/notes.xml b/lib/ssh/doc/src/notes.xml
index f5a67bc00e..c8c6e61cc8 100644
--- a/lib/ssh/doc/src/notes.xml
+++ b/lib/ssh/doc/src/notes.xml
@@ -30,6 +30,146 @@
<file>notes.xml</file>
</header>
+<section><title>Ssh 4.4.2</title>
+
+ <section><title>Fixed Bugs and Malfunctions</title>
+ <list>
+ <item>
+ <p>
+ ssh:daemon_info/1 crashed if the listening IP was not
+ 'any'</p>
+ <p>
+ Own Id: OTP-14298 Aux Id: seq13294 </p>
+ </item>
+ </list>
+ </section>
+
+</section>
+
+<section><title>Ssh 4.4.1</title>
+
+ <section><title>Fixed Bugs and Malfunctions</title>
+ <list>
+ <item>
+ <p>
+ Fix bug when opening connections. If the tcp setup
+ failed, that would in some cases not result in an error
+ return value.</p>
+ <p>
+ Own Id: OTP-14108</p>
+ </item>
+ <item>
+ <p>
+ Reduce information leakage in case of decryption errors.</p>
+ <p>
+ Own Id: OTP-14109</p>
+ </item>
+ <item>
+ <p>
+ The key exchange algorithm
+ diffie-hellman-group-exchange-sha* has a server-option
+ <c>{dh_gex_limits,{Min,Max}}</c>. There was a hostkey
+ signature validation error on the client side if the
+ option was used and the <c>Min</c> or the <c>Max</c>
+ differed from the corresponding values obtained from the
+ client.</p>
+ <p>
+ This bug is now corrected.</p>
+ <p>
+ Own Id: OTP-14166</p>
+ </item>
+ <item>
+ <p>
+ The sftpd server now correctly uses <c>root_dir</c> and
+ <c>cwd</c> when resolving file paths if both are
+ provided. The <c>cwd</c> handling is also corrected.</p>
+ <p>
+ Thanks to kape1395!</p>
+ <p>
+ Own Id: OTP-14225 Aux Id: PR-1331, PR-1335 </p>
+ </item>
+ <item>
+ <p>
+ Ssh_cli used a function that does not handle non-utf8
+ unicode correctly.</p>
+ <p>
+ Own Id: OTP-14230 Aux Id: ERL-364 </p>
+ </item>
+ </list>
+ </section>
+
+
+ <section><title>Improvements and New Features</title>
+ <list>
+ <item>
+ <p>
+ The implementation of the key exchange algorithms
+ diffie-hellman-group-exchange-sha* are optimized, up to a
+ factor of 11 for the slowest ( = biggest and safest)
+ group size.</p>
+ <p>
+ Own Id: OTP-14169 Aux Id: seq-13261 </p>
+ </item>
+ <item>
+ <p>
+ The ssh host key fingerprint generation now also takes a
+ list of algorithms and returns a list of corresponding
+ fingerprints. See
+ <c>public_key:ssh_hostkey_fingerprint/2</c> and the
+ option <c>silently_accept_hosts</c> in
+ <c>ssh:connect</c>.</p>
+ <p>
+ Own Id: OTP-14223</p>
+ </item>
+ </list>
+ </section>
+
+</section>
+
+<section><title>Ssh 4.4</title>
+
+ <section><title>Fixed Bugs and Malfunctions</title>
+ <list>
+ <item>
+ <p>
+ A file read with an sftp client could loose data if the
+ packet_size is set to larger than 64k. This is corrected
+ now in such a way that the packet_size is silently
+ lowered if there is a risk for data loss.</p>
+ <p>
+ Own Id: OTP-13857 Aux Id: ERL-238, OTP-13858 </p>
+ </item>
+ <item>
+ <p>
+ When user defined SSH shell REPL process exits with
+ reason normal, the SSH channel callback module should
+ report successful exit status to the SSH client. This
+ provides simple way for SSH clients to check for
+ successful completion of executed commands. (Thanks to
+ isvilen)</p>
+ <p>
+ Own Id: OTP-13905 Aux Id: PR-1173 </p>
+ </item>
+ </list>
+ </section>
+
+
+ <section><title>Improvements and New Features</title>
+ <list>
+ <item>
+ <p>
+ Extended the option <c>silently_accept_hosts</c> for
+ <c>ssh:connect</c> to make it possible for the client to
+ check the SSH host key fingerprint string. Se the
+ reference manual for SSH.</p>
+ <p>
+ Own Id: OTP-13887 Aux Id: OTP-13888 </p>
+ </item>
+ </list>
+ </section>
+
+</section>
+
<section><title>Ssh 4.3.6</title>
<section><title>Fixed Bugs and Malfunctions</title>
diff --git a/lib/ssh/doc/src/ssh.xml b/lib/ssh/doc/src/ssh.xml
index ef9f7cbd9b..604b9f5bbb 100644
--- a/lib/ssh/doc/src/ssh.xml
+++ b/lib/ssh/doc/src/ssh.xml
@@ -4,7 +4,7 @@
<erlref>
<header>
<copyright>
- <year>2004</year><year>2016</year>
+ <year>2004</year><year>2017</year>
<holder>Ericsson AB. All Rights Reserved.</holder>
</copyright>
<legalnotice>
@@ -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
@@ -175,12 +175,48 @@
supplied with this option.
</p>
</item>
- <tag><c><![CDATA[{silently_accept_hosts, boolean()}]]></c></tag>
+ <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>.
- </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>
@@ -190,7 +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/doc/src/ssh_protocol.xml b/lib/ssh/doc/src/ssh_protocol.xml
index 7288266cf7..a0032ab449 100644
--- a/lib/ssh/doc/src/ssh_protocol.xml
+++ b/lib/ssh/doc/src/ssh_protocol.xml
@@ -4,7 +4,7 @@
<chapter>
<header>
<copyright>
- <year>2013</year><year>2013</year>
+ <year>2013</year><year>2016</year>
<holder>Ericsson AB. All Rights Reserved.</holder>
</copyright>
<legalnotice>
@@ -138,8 +138,6 @@
Transport Layer Protocol.</item>
<item><url href="http://www.ietf.org/rfc/rfc4254.txt">RFC 4254</url> -
Connection Protocol.</item>
- <item><url href="http://www.ietf.org/rfc/rfc4255.txt">RFC 4255</url> -
- Key Fingerprints.</item>
<item><url href="http://www.ietf.org/rfc/rfc4344.txt">RFC 4344</url> -
Transport Layer Encryption Modes.</item>
<item><url href="http://www.ietf.org/rfc/rfc4716.txt">RFC 4716</url> -
diff --git a/lib/ssh/doc/src/using_ssh.xml b/lib/ssh/doc/src/using_ssh.xml
index 0861c641c7..ab307624e6 100644
--- a/lib/ssh/doc/src/using_ssh.xml
+++ b/lib/ssh/doc/src/using_ssh.xml
@@ -5,7 +5,7 @@
<header>
<copyright>
<year>2012</year>
- <year>2016</year>
+ <year>2017</year>
<holder>Ericsson AB. All Rights Reserved.</holder>
</copyright>
<legalnotice>
@@ -305,7 +305,7 @@ ok = erl_tar:close(HandleRead),
<code type="erl" >
-module(ssh_echo_server).
--behaviour(ssh_subsystem).
+-behaviour(ssh_daemon_channel).
-record(state, {
n,
id,