diff options
Diffstat (limited to 'lib/ssl/doc')
| -rw-r--r-- | lib/ssl/doc/src/Makefile | 4 | ||||
| -rw-r--r-- | lib/ssl/doc/src/notes.xml | 60 | ||||
| -rw-r--r-- | lib/ssl/doc/src/old_ssl.xml | 709 | ||||
| -rw-r--r-- | lib/ssl/doc/src/refman.xml | 5 | ||||
| -rw-r--r-- | lib/ssl/doc/src/ssl.xml | 43 | ||||
| -rw-r--r-- | lib/ssl/doc/src/ssl_distribution.xml | 209 | ||||
| -rw-r--r-- | lib/ssl/doc/src/ssl_protocol.xml | 18 | ||||
| -rw-r--r-- | lib/ssl/doc/src/using_ssl.xml | 8 |
8 files changed, 201 insertions, 855 deletions
diff --git a/lib/ssl/doc/src/Makefile b/lib/ssl/doc/src/Makefile index 3119d37af0..5d808d6727 100644 --- a/lib/ssl/doc/src/Makefile +++ b/lib/ssl/doc/src/Makefile @@ -1,7 +1,7 @@ # # %CopyrightBegin% # -# Copyright Ericsson AB 1999-2010. All Rights Reserved. +# Copyright Ericsson AB 1999-2011. 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 @@ -37,7 +37,7 @@ RELSYSDIR = $(RELEASE_PATH)/lib/$(APPLICATION)-$(VSN) # Target Specs # ---------------------------------------------------- XML_APPLICATION_FILES = refman.xml -XML_REF3_FILES = ssl.xml old_ssl.xml ssl_session_cache_api.xml +XML_REF3_FILES = ssl.xml ssl_session_cache_api.xml XML_REF6_FILES = ssl_app.xml XML_PART_FILES = release_notes.xml usersguide.xml diff --git a/lib/ssl/doc/src/notes.xml b/lib/ssl/doc/src/notes.xml index b2d17925fd..5df2632149 100644 --- a/lib/ssl/doc/src/notes.xml +++ b/lib/ssl/doc/src/notes.xml @@ -30,7 +30,59 @@ </header> <p>This document describes the changes made to the SSL application.</p> - <section> + <section><title>SSL 4.1.6</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + replace "a ssl" with "an ssl" reindent + pkix_path_validation/3 Trivial documentation fixes + (Thanks to Christian von Roques )</p> + <p> + Own Id: OTP-9464</p> + </item> + </list> + </section> + + + <section><title>Improvements and New Features</title> + <list> + <item> + <p> + Adds function clause to avoid denial of service attack. + Thanks to Vinod for reporting this vulnerability.</p> + <p> + Own Id: OTP-9364</p> + </item> + <item> + <p> + Error handling code now takes care of inet:getopts/2 and + inets:setopts/2 crashes. Thanks to Richard Jones for + reporting this.</p> + <p> + Own Id: OTP-9382</p> + </item> + <item> + <p> + Support explicit use of packet option httph and httph_bin</p> + <p> + Own Id: OTP-9461</p> + </item> + <item> + <p> + Decoding of hello extensions could fail to come to the + correct conclusion due to an error in a binary match + pattern. Thanks to Ben Murphy.</p> + <p> + Own Id: OTP-9589</p> + </item> + </list> + </section> + +</section> + +<section> <title>SSL 4.1.5</title> <section><title>Improvements and New Features</title> @@ -554,7 +606,7 @@ Own Id: OTP-8224</p> </item> <item> - <p>A ssl:ssl_accept/3 could crash a connection if the + <p>An ssl:ssl_accept/3 could crash a connection if the timing was wrong.</p> <p>Removed info message if the socket closed without a proper disconnect from the ssl layer. </p> <p>ssl:send/2 is now blocking until the @@ -770,7 +822,7 @@ <item> <p> The new ssl implementation released as a alfa in this - version supports upgrading of a tcp connection to a ssl + version supports upgrading of a tcp connection to an ssl connection so that http client and servers may implement RFC 2817.</p> <p> @@ -789,7 +841,7 @@ very crippled as the control of the ssl-socket was deep down in openssl making it hard if not impossible to support all inet options, ipv6 and upgrade of a tcp - connection to a ssl connection. The alfa version has a + connection to an ssl connection. The alfa version has a few limitations that will be removed before the ssl-4.0 release. Main differences and limitations in the alfa are listed below.</p> diff --git a/lib/ssl/doc/src/old_ssl.xml b/lib/ssl/doc/src/old_ssl.xml deleted file mode 100644 index 0d2e1afdbd..0000000000 --- a/lib/ssl/doc/src/old_ssl.xml +++ /dev/null @@ -1,709 +0,0 @@ -<?xml version="1.0" encoding="latin1" ?> -<!DOCTYPE erlref SYSTEM "erlref.dtd"> - -<erlref> - <header> - <copyright> - <year>1999</year><year>2010</year> - <holder>Ericsson AB. All Rights Reserved.</holder> - </copyright> - <legalnotice> - 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. - - </legalnotice> - - <title>ssl</title> - <prepared>Peter Högfeldt</prepared> - <responsible>Peter Högfeldt</responsible> - <docno></docno> - <approved>Peter Högfeldt</approved> - <checked></checked> - <date>2003-03-25</date> - <rev>D</rev> - <file>old_ssl.xml</file> - </header> - <module>old_ssl</module> - <modulesummary>Interface Functions for Secure Socket Layer</modulesummary> - <description> - <p>This module contains interface functions to the Secure Socket Layer.</p> - </description> - - <section> - <title>General</title> - - <p>This manual page describes functions that are defined - in the ssl module and represents the old ssl implementation - that coexists with the new one until it has been - totally phased out. </p> - - <p>The old implementation can be - accessed by providing the option {ssl_imp, old} to the - ssl:connect and ssl:listen functions.</p> - - <p>The reader is advised to also read the <c>ssl(6)</c> manual page - describing the SSL application. - </p> - <warning> - <p>It is strongly advised to seed the random generator after - the ssl application has been started (see <c>seed/1</c> - below), and before any connections are established. Although - the port program interfacing to the ssl libraries does a - "random" seeding of its own in order to make everything work - properly, that seeding is by no means random for the world - since it has a constant value which is known to everyone - reading the source code of the port program.</p> - </warning> - </section> - - <section> - <title>Common data types</title> - <p>The following datatypes are used in the functions below: - </p> - <list type="bulleted"> - <item> - <p><c>options() = [option()]</c></p> - </item> - <item> - <p><c>option() = socketoption() | ssloption()</c></p> - </item> - <item> - <p><c>socketoption() = {mode, list} | {mode, binary} | binary | {packet, packettype()} | {header, integer()} | {nodelay, boolean()} | {active, activetype()} | {backlog, integer()} | {ip, ipaddress()} | {port, integer()}</c></p> - </item> - <item> - <p><c>ssloption() = {verify, code()} | {depth, depth()} | {certfile, path()} | {keyfile, path()} | {password, string()} | {cacertfile, path()} | {ciphers, string()}</c></p> - </item> - <item> - <p><c>packettype()</c> (see inet(3))</p> - </item> - <item> - <p><c>activetype()</c> (see inet(3))</p> - </item> - <item> - <p><c>reason() = atom() | {atom(), string()}</c></p> - </item> - <item> - <p><c>bytes() = [byte()]</c></p> - </item> - <item> - <p><c>string() = [byte()]</c></p> - </item> - <item> - <p><c>byte() = 0 | 1 | 2 | ... | 255</c></p> - </item> - <item> - <p><c>code() = 0 | 1 | 2</c></p> - </item> - <item> - <p><c>depth() = byte()</c></p> - </item> - <item> - <p><c>address() = hostname() | ipstring() | ipaddress()</c></p> - </item> - <item> - <p><c>ipaddress() = ipstring() | iptuple()</c></p> - </item> - <item> - <p><c>hostname() = string()</c></p> - </item> - <item> - <p><c>ipstring() = string()</c></p> - </item> - <item> - <p><c>iptuple() = {byte(), byte(), byte(), byte()}</c></p> - </item> - <item> - <p><c>sslsocket()</c></p> - </item> - <item> - <p><c>protocol() = sslv2 | sslv3 | tlsv1</c></p> - </item> - <item> - <p><c></c></p> - </item> - </list> - <p>The socket option <c>{backlog, integer()}</c> is for - <c>listen/2</c> only, and the option <c>{port, integer()}</c> - is for <c>connect/3/4</c> only. - </p> - <p>The following socket options are set by default: <c>{mode, list}</c>, <c>{packet, 0}</c>, <c>{header, 0}</c>, <c>{nodelay, false}</c>, <c>{active, true}</c>, <c>{backlog, 5}</c>, - <c>{ip, {0,0,0,0}}</c>, and <c>{port, 0}</c>. - </p> - <p>Note that the options <c>{mode, binary}</c> and <c>binary</c> - are equivalent. Similarly <c>{mode, list}</c> and the absence of - option <c>binary</c> are equivalent. - </p> - <p>The ssl options are for setting specific SSL parameters as follows: - </p> - <list type="bulleted"> - <item> - <p><c>{verify, code()}</c> Specifies type of verification: - 0 = do not verify peer; 1 = verify peer, 2 = verify peer, - fail if no peer certificate. The default value is 0. - </p> - </item> - <item> - <p><c>{depth, depth()}</c> Specifies the maximum - verification depth, i.e. how far in a chain of certificates - the verification process can proceed before the verification - is considered to fail. - </p> - <p>Peer certificate = 0, CA certificate = 1, higher level CA - certificate = 2, etc. The value 2 thus means that a chain - can at most contain peer cert, CA cert, next CA cert, and an - additional CA cert. - </p> - <p>The default value is 1. - </p> - </item> - <item> - <p><c>{certfile, path()}</c> Path to a file containing the - user's certificate. - chain of PEM encoded certificates.</p> - </item> - <item> - <p><c>{keyfile, path()}</c> Path to file containing user's - private PEM encoded key.</p> - </item> - <item> - <p><c>{password, string()}</c> String containing the user's - password. Only used if the private keyfile is password protected.</p> - </item> - <item> - <p><c>{cacertfile, path()}</c> Path to file containing PEM encoded - CA certificates (trusted certificates used for verifying a peer - certificate).</p> - </item> - <item> - <p><c>{ciphers, string()}</c> String of ciphers as a colon - separated list of ciphers. The function <c>ciphers/0</c> can - be used to find all available ciphers.</p> - </item> - </list> - <p>The type <c>sslsocket()</c> is opaque to the user. - </p> - <p>The owner of a socket is the one that created it by a call to - <c>transport_accept/[1,2]</c>, <c>connect/[3,4]</c>, - or <c>listen/2</c>. - </p> - <p>When a socket is in active mode (the default), data from the - socket is delivered to the owner of the socket in the form of - messages: - </p> - <list type="bulleted"> - <item> - <p><c>{ssl, Socket, Data}</c></p> - </item> - <item> - <p><c>{ssl_closed, Socket}</c></p> - </item> - <item> - <p><c>{ssl_error, Socket, Reason}</c></p> - </item> - </list> - <p>A <c>Timeout</c> argument specifies a timeout in milliseconds. The - default value for a <c>Timeout</c> argument is <c>infinity</c>. - </p> - <p>Functions listed below may return the value <c>{error, closed}</c>, which only indicates that the SSL socket is - considered closed for the operation in question. It is for - instance possible to have <c>{error, closed}</c> returned from - an call to <c>send/2</c>, and a subsequent call to <c>recv/3</c> - returning <c>{ok, Data}</c>. - </p> - <p>Hence a return value of <c>{error, closed}</c> must not be - interpreted as if the socket was completely closed. On the - contrary, in order to free all resources occupied by an SSL - socket, <c>close/1</c> must be called, or else the process owning - the socket has to terminate. - </p> - <p>For each SSL socket there is an Erlang process representing the - socket. When a socket is opened, that process links to the - calling client process. Implementations that want to detect - abnormal exits from the socket process by receiving <c>{'EXIT', Pid, Reason}</c> messages, should use the function <c>pid/1</c> - to retrieve the process identifier from the socket, in order to - be able to match exit messages properly.</p> - </section> - <funcs> - <func> - <name>ciphers() -> {ok, string()} | {error, enotstarted}</name> - <fsummary>Get supported ciphers.</fsummary> - <desc> - <p>Returns a string consisting of colon separated cipher - designations that are supported by the current SSL library - implementation. - </p> - <p>The SSL application has to be started to return the string - of ciphers.</p> - </desc> - </func> - <func> - <name>close(Socket) -> ok | {error, Reason}</name> - <fsummary>Close a socket returned by <c>transport_accept/[1,2]</c>, <c>connect/3/4</c>, or <c>listen/2</c>.</fsummary> - <type> - <v>Socket = sslsocket()</v> - </type> - <desc> - <p>Closes a socket returned by <c>transport_accept/[1,2]</c>, - <c>connect/[3,4]</c>, or <c>listen/2</c></p> - </desc> - </func> - <func> - <name>connect(Address, Port, Options) -> {ok, Socket} | {error, Reason}</name> - <name>connect(Address, Port, Options, Timeout) -> {ok, Socket} | {error, Reason}</name> - <fsummary>Connect to <c>Port</c>at <c>Address</c>.</fsummary> - <type> - <v>Address = address()</v> - <v>Port = integer()</v> - <v>Options = [connect_option()]</v> - <v>connect_option() = {mode, list} | {mode, binary} | binary | {packet, packettype()} | {header, integer()} | {nodelay, boolean()} | {active, activetype()} | {ip, ipaddress()} | {port, integer()} | {verify, code()} | {depth, depth()} | {certfile, path()} | {keyfile, path()} | {password, string()} | {cacertfile, path()} | {ciphers, string()}</v> - <v>Timeout = integer()</v> - <v>Socket = sslsocket()</v> - </type> - <desc> - <p>Connects to <c>Port</c> at <c>Address</c>. If the optional - <c>Timeout</c> argument is specified, and a connection could not - be established within the given time, <c>{error, timeout}</c> is - returned. The default value for <c>Timeout</c> is <c>infinity</c>. - </p> - <p>The <c>ip</c> and <c>port</c> options are for binding to a - particular <em>local</em> address and port, respectively.</p> - </desc> - </func> - <func> - <name>connection_info(Socket) -> {ok, {Protocol, Cipher}} | {error, Reason}</name> - <fsummary>Get current protocol version and cipher.</fsummary> - <type> - <v>Socket = sslsocket()</v> - <v>Protocol = protocol()</v> - <v>Cipher = string()</v> - </type> - <desc> - <p>Gets the chosen protocol version and cipher for an established - connection (accepted och connected). </p> - </desc> - </func> - <func> - <name>controlling_process(Socket, NewOwner) -> ok | {error, Reason}</name> - <fsummary>Assign a new controlling process to the socket.</fsummary> - <type> - <v>Socket = sslsocket()</v> - <v>NewOwner = pid()</v> - </type> - <desc> - <p>Assigns a new controlling process to <c>Socket</c>. A controlling - process is the owner of a socket, and receives all messages from - the socket.</p> - </desc> - </func> - <func> - <name>format_error(ErrorCode) -> string()</name> - <fsummary>Return an error string.</fsummary> - <type> - <v>ErrorCode = term()</v> - </type> - <desc> - <p>Returns a diagnostic string describing an error.</p> - </desc> - </func> - <func> - <name>getopts(Socket, OptionsTags) -> {ok, Options} | {error, Reason}</name> - <fsummary>Get options set for socket</fsummary> - <type> - <v>Socket = sslsocket()</v> - <v>OptionTags = [optiontag()]()</v> - </type> - <desc> - <p>Returns the options the tags of which are <c>OptionTags</c> for - for the socket <c>Socket</c>. </p> - </desc> - </func> - <func> - <name>listen(Port, Options) -> {ok, ListenSocket} | {error, Reason}</name> - <fsummary>Set up a socket to listen on a port on the local host.</fsummary> - <type> - <v>Port = integer()</v> - <v>Options = [listen_option()]</v> - <v>listen_option() = {mode, list} | {mode, binary} | binary | {packet, packettype()} | {header, integer()} | {active, activetype()} | {backlog, integer()} | {ip, ipaddress()} | {verify, code()} | {depth, depth()} | {certfile, path()} | {keyfile, path()} | {password, string()} | {cacertfile, path()} | {ciphers, string()}</v> - <v>ListenSocket = sslsocket()</v> - </type> - <desc> - <p>Sets up a socket to listen on port <c>Port</c> at the local host. - If <c>Port</c> is zero, <c>listen/2</c> picks an available port - number (use <c>port/1</c> to retrieve it). - </p> - <p>The listen queue size defaults to 5. If a different value is - wanted, the option <c>{backlog, Size}</c> should be added to the - list of options. - </p> - <p>An empty <c>Options</c> list is considered an error, and - <c>{error, enooptions}</c> is returned. - </p> - <p>The returned <c>ListenSocket</c> can only be used in calls to - <c>transport_accept/[1,2]</c>.</p> - </desc> - </func> - <func> - <name>peercert(Socket) -> {ok, Cert} | {error, Reason}</name> - <fsummary>Return the peer certificate.</fsummary> - <type> - <v>Socket = sslsocket()</v> - <v>Cert = binary()()</v> - <v>Subject = term()()</v> - </type> - <desc> - <p>Returns the DER encoded peer certificate, the certificate can be decoded with - <c>public_key:pkix_decode_cert/2</c>. - </p> - </desc> - </func> - <func> - <name>peername(Socket) -> {ok, {Address, Port}} | {error, Reason}</name> - <fsummary>Return peer address and port.</fsummary> - <type> - <v>Socket = sslsocket()</v> - <v>Address = ipaddress()</v> - <v>Port = integer()</v> - </type> - <desc> - <p>Returns the address and port number of the peer.</p> - </desc> - </func> - <func> - <name>pid(Socket) -> pid()</name> - <fsummary>Return the pid of the socket process.</fsummary> - <type> - <v>Socket = sslsocket()</v> - </type> - <desc> - <p>Returns the pid of the socket process. The returned pid should - only be used for receiving exit messages.</p> - </desc> - </func> - <func> - <name>recv(Socket, Length) -> {ok, Data} | {error, Reason}</name> - <name>recv(Socket, Length, Timeout) -> {ok, Data} | {error, Reason}</name> - <fsummary>Receive data on socket.</fsummary> - <type> - <v>Socket = sslsocket()</v> - <v>Length = integer() >= 0</v> - <v>Timeout = integer()</v> - <v>Data = bytes() | binary()</v> - </type> - <desc> - <p>Receives data on socket <c>Socket</c> when the socket is in - passive mode, i.e. when the option <c>{active, false}</c> - has been specified. - </p> - <p>A notable return value is <c>{error, closed}</c> which - indicates that the socket is closed. - </p> - <p>A positive value of the <c>Length</c> argument is only - valid when the socket is in raw mode (option <c>{packet, 0}</c> is set, and the option <c>binary</c> is <em>not</em> - set); otherwise it should be set to 0, whence all available - bytes are returned. - </p> - <p>If the optional <c>Timeout</c> parameter is specified, and - no data was available within the given time, <c>{error, timeout}</c> is returned. The default value for - <c>Timeout</c> is <c>infinity</c>.</p> - </desc> - </func> - <func> - <name>seed(Data) -> ok | {error, Reason}</name> - <fsummary>Seed the ssl random generator.</fsummary> - <type> - <v>Data = iolist() | binary()</v> - </type> - <desc> - <p>Seeds the ssl random generator. - </p> - <p>It is strongly advised to seed the random generator after - the ssl application has been started, and before any - connections are established. Although the port program - interfacing to the OpenSSL libraries does a "random" seeding - of its own in order to make everything work properly, that - seeding is by no means random for the world since it has a - constant value which is known to everyone reading the source - code of the seeding. - </p> - <p>A notable return value is <c>{error, edata}}</c> indicating that - <c>Data</c> was not a binary nor an iolist.</p> - </desc> - </func> - <func> - <name>send(Socket, Data) -> ok | {error, Reason}</name> - <fsummary>Write data to a socket.</fsummary> - <type> - <v>Socket = sslsocket()</v> - <v>Data = iolist() | binary()</v> - </type> - <desc> - <p>Writes <c>Data</c> to <c>Socket</c>. </p> - <p>A notable return value is <c>{error, closed}</c> indicating that - the socket is closed.</p> - </desc> - </func> - <func> - <name>setopts(Socket, Options) -> ok | {error, Reason}</name> - <fsummary>Set socket options.</fsummary> - <type> - <v>Socket = sslsocket()</v> - <v>Options = [socketoption]()</v> - </type> - <desc> - <p>Sets options according to <c>Options</c> for the socket - <c>Socket</c>. </p> - </desc> - </func> - <func> - <name>ssl_accept(Socket) -> ok | {error, Reason}</name> - <name>ssl_accept(Socket, Timeout) -> ok | {error, Reason}</name> - <fsummary>Perform server-side SSL handshake and key exchange</fsummary> - <type> - <v>Socket = sslsocket()</v> - <v>Timeout = integer()</v> - <v>Reason = atom()</v> - </type> - <desc> - <p>The <c>ssl_accept</c> function establish the SSL connection - on the server side. It should be called directly after - <c>transport_accept</c>, in the spawned server-loop.</p> - <p>Note that the ssl connection is not complete until <c>ssl_accept</c> - has returned <c>true</c>, and if an error is returned, the socket - is unavailable and for instance <c>close/1</c> will crash.</p> - </desc> - </func> - <func> - <name>sockname(Socket) -> {ok, {Address, Port}} | {error, Reason}</name> - <fsummary>Return the local address and port.</fsummary> - <type> - <v>Socket = sslsocket()</v> - <v>Address = ipaddress()</v> - <v>Port = integer()</v> - </type> - <desc> - <p>Returns the local address and port number of the socket - <c>Socket</c>.</p> - </desc> - </func> - <func> - <name>transport_accept(Socket) -> {ok, NewSocket} | {error, Reason}</name> - <name>transport_accept(Socket, Timeout) -> {ok, NewSocket} | {error, Reason}</name> - <fsummary>Accept an incoming connection and prepare for <c>ssl_accept</c></fsummary> - <type> - <v>Socket = NewSocket = sslsocket()</v> - <v>Timeout = integer()</v> - <v>Reason = atom()</v> - </type> - <desc> - <p>Accepts an incoming connection request on a listen socket. - <c>ListenSocket</c> must be a socket returned from <c>listen/2</c>. - The socket returned should be passed to <c>ssl_accept</c> to - complete ssl handshaking and establishing the connection.</p> - <warning> - <p>The socket returned can only be used with <c>ssl_accept</c>, - no traffic can be sent or received before that call.</p> - </warning> - <p>The accepted socket inherits the options set for <c>ListenSocket</c> - in <c>listen/2</c>.</p> - <p>The default value for <c>Timeout</c> is <c>infinity</c>. If - <c>Timeout</c> is specified, and no connection is accepted within - the given time, <c>{error, timeout}</c> is returned.</p> - </desc> - </func> - <func> - <name>version() -> {ok, {SSLVsn, CompVsn, LibVsn}}</name> - <fsummary>Return the version of SSL.</fsummary> - <type> - <v>SSLVsn = CompVsn = LibVsn = string()()</v> - </type> - <desc> - <p>Returns the SSL application version (<c>SSLVsn</c>), the library - version used when compiling the SSL application port program - (<c>CompVsn</c>), and the actual library version used when - dynamically linking in runtime (<c>LibVsn</c>). - </p> - <p>If the SSL application has not been started, <c>CompVsn</c> and - <c>LibVsn</c> are empty strings. - </p> - </desc> - </func> - </funcs> - - <section> - <title>ERRORS</title> - <p>The possible error reasons and the corresponding diagnostic strings - returned by <c>format_error/1</c> are either the same as those defined - in the <c>inet(3)</c> reference manual, or as follows: - </p> - <taglist> - <tag><c>closed</c></tag> - <item> - <p>Connection closed for the operation in question. - </p> - </item> - <tag><c>ebadsocket</c></tag> - <item> - <p>Connection not found (internal error). - </p> - </item> - <tag><c>ebadstate</c></tag> - <item> - <p>Connection not in connect state (internal error). - </p> - </item> - <tag><c>ebrokertype</c></tag> - <item> - <p>Wrong broker type (internal error). - </p> - </item> - <tag><c>ecacertfile</c></tag> - <item> - <p>Own CA certificate file is invalid. - </p> - </item> - <tag><c>ecertfile</c></tag> - <item> - <p>Own certificate file is invalid. - </p> - </item> - <tag><c>echaintoolong</c></tag> - <item> - <p>The chain of certificates provided by peer is too long. - </p> - </item> - <tag><c>ecipher</c></tag> - <item> - <p>Own list of specified ciphers is invalid. - </p> - </item> - <tag><c>ekeyfile</c></tag> - <item> - <p>Own private key file is invalid. - </p> - </item> - <tag><c>ekeymismatch</c></tag> - <item> - <p>Own private key does not match own certificate. - </p> - </item> - <tag><c>enoissuercert</c></tag> - <item> - <p>Cannot find certificate of issuer of certificate provided - by peer. - </p> - </item> - <tag><c>enoservercert</c></tag> - <item> - <p>Attempt to do accept without having set own certificate. - </p> - </item> - <tag><c>enotlistener</c></tag> - <item> - <p>Attempt to accept on a non-listening socket. - </p> - </item> - <tag><c>enoproxysocket</c></tag> - <item> - <p>No proxy socket found (internal error). - </p> - </item> - <tag><c>enooptions</c></tag> - <item> - <p>The list of options is empty. - </p> - </item> - <tag><c>enotstarted</c></tag> - <item> - <p>The SSL application has not been started. - </p> - </item> - <tag><c>eoptions</c></tag> - <item> - <p>Invalid list of options. - </p> - </item> - <tag><c>epeercert</c></tag> - <item> - <p>Certificate provided by peer is in error. - </p> - </item> - <tag><c>epeercertexpired</c></tag> - <item> - <p>Certificate provided by peer has expired. - </p> - </item> - <tag><c>epeercertinvalid</c></tag> - <item> - <p>Certificate provided by peer is invalid. - </p> - </item> - <tag><c>eselfsignedcert</c></tag> - <item> - <p>Certificate provided by peer is self signed. - </p> - </item> - <tag><c>esslaccept</c></tag> - <item> - <p>Server SSL handshake procedure between client and server failed. - </p> - </item> - <tag><c>esslconnect</c></tag> - <item> - <p>Client SSL handshake procedure between client and server failed. - </p> - </item> - <tag><c>esslerrssl</c></tag> - <item> - <p>SSL protocol failure. Typically because of a fatal alert - from peer. - </p> - </item> - <tag><c>ewantconnect</c></tag> - <item> - <p>Protocol wants to connect, which is not supported in - this version of the SSL application. - </p> - </item> - <tag><c>ex509lookup</c></tag> - <item> - <p>Protocol wants X.509 lookup, which is not supported in - this version of the SSL application. - </p> - </item> - <tag><c>{badcall, Call}</c></tag> - <item> - <p>Call not recognized for current mode (active or passive) and - state of socket. - </p> - </item> - <tag><c>{badcast, Cast}</c></tag> - <item> - <p>Call not recognized for current mode (active or passive) and - state of socket. - </p> - </item> - <tag><c>{badinfo, Info}</c></tag> - <item> - <p>Call not recognized for current mode (active or passive) and - state of socket. - </p> - </item> - </taglist> - </section> - - <section> - <title>SEE ALSO</title> - <p>gen_tcp(3), inet(3) public_key(3) </p> - </section> - -</erlref> - - diff --git a/lib/ssl/doc/src/refman.xml b/lib/ssl/doc/src/refman.xml index 68f84660f3..011819e82b 100644 --- a/lib/ssl/doc/src/refman.xml +++ b/lib/ssl/doc/src/refman.xml @@ -1,10 +1,10 @@ -<?xml version="1.0" encoding="latin1" ?> +<?xml version="1.0" encoding="iso-8859-1" ?> <!DOCTYPE application SYSTEM "application.dtd"> <application xmlns:xi="http://www.w3.org/2001/XInclude"> <header> <copyright> - <year>1999</year><year>2010</year> + <year>1999</year><year>2011</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -45,7 +45,6 @@ </description> <xi:include href="ssl_app.xml"/> <xi:include href="ssl.xml"/> - <xi:include href="old_ssl.xml"/> <xi:include href="ssl_session_cache_api.xml"/> </application> diff --git a/lib/ssl/doc/src/ssl.xml b/lib/ssl/doc/src/ssl.xml index 566068beaf..70122e4393 100644 --- a/lib/ssl/doc/src/ssl.xml +++ b/lib/ssl/doc/src/ssl.xml @@ -35,7 +35,7 @@ <title>SSL</title> <list type="bulleted"> - <item>ssl requires the crypto an public_key applications.</item> + <item>ssl requires the crypto and public_key applications.</item> <item>Supported SSL/TLS-versions are SSL-3.0 and TLS-1.0 </item> <item>For security reasons sslv2 is not supported.</item> <item>Ephemeral Diffie-Hellman cipher suites are supported @@ -121,8 +121,6 @@ <p> <c>hash() = md5 | sha </c></p> - <p><c>ssl_imp() = new | old - default is new.</c></p> - </section> <section> @@ -177,9 +175,9 @@ by the peer also. </item> - <tag>{ssl_imp, ssl_imp()}</tag> - <item>Specify which ssl implementation you want to use. Defaults to - new. + <tag>{ssl_imp, new | old}</tag> + <item>No longer has any meaning as the old implementation has + been removed, it will be ignored. </item> <tag>{secure_renegotiate, boolean()}</tag> @@ -216,7 +214,7 @@ fun(OtpCert :: #'OTPCertificate'{}, Event :: {bad_cert, Reason :: atom()} | application is encountered. Additionally it will be called when a certificate is considered valid by the path validation to allow access to each certificate in the path to the user - application. Note that the it will differentiate between the + application. Note that it will differentiate between the peer certificate and CA certificates by using valid_peer or valid as the second argument to the verify fun. See <seealso marker="public_key:cert_records">the public_key User's @@ -326,10 +324,10 @@ fun(OtpCert :: #'OTPCertificate'{}, Event :: {bad_cert, Reason :: atom()} | </item> <tag>{fail_if_no_peer_cert, boolean()}</tag> - <item>Used together with {verify, verify_peer} by a ssl server. + <item>Used together with {verify, verify_peer} by an ssl server. If set to true, the server will fail if the client does not have a certificate to send, i.e. sends a empty certificate, if set to - false it will only fail if the client sends a invalid + false it will only fail if the client sends an invalid certificate (an empty certificate is considered valid). </item> @@ -343,10 +341,10 @@ fun(OtpCert :: #'OTPCertificate'{}, Event :: {bad_cert, Reason :: atom()} | PeerCert, Compression, CipherSuite) -> boolean()}</tag> <item>Enables the ssl server to have a local policy for deciding if a session should be reused or not, - only meaning full if <c>reuse_sessions</c> is set to true. + only meaningful if <c>reuse_sessions</c> is set to true. SuggestedSessionId is a binary(), PeerCert is a DER encoded certificate, Compression is an enumeration integer - and CipherSuite of type ciphersuite(). + and CipherSuite is of type ciphersuite(). </item> </taglist> @@ -355,7 +353,7 @@ fun(OtpCert :: #'OTPCertificate'{}, Event :: {bad_cert, Reason :: atom()} | <section> <title>General</title> - <p>When a ssl socket is in active mode (the default), data from the + <p>When an ssl socket is in active mode (the default), data from the socket is delivered to the owner of the socket in the form of messages: </p> @@ -396,7 +394,7 @@ fun(OtpCert :: #'OTPCertificate'{}, Event :: {bad_cert, Reason :: atom()} | <name>connect(Socket, SslOptions, Timeout) -> {ok, SslSocket} | {error, Reason}</name> <fsummary> Upgrades a gen_tcp, or - equivalent, connected socket to a ssl socket. </fsummary> + equivalent, connected socket to an ssl socket. </fsummary> <type> <v>Socket = socket()</v> <v>SslOptions = [ssloption()]</v> @@ -405,7 +403,7 @@ fun(OtpCert :: #'OTPCertificate'{}, Event :: {bad_cert, Reason :: atom()} | <v>Reason = term()</v> </type> <desc> <p>Upgrades a gen_tcp, or equivalent, - connected socket to a ssl socket i.e. performs the + connected socket to an ssl socket i.e. performs the client-side ssl handshake.</p> </desc> </func> @@ -428,12 +426,12 @@ fun(OtpCert :: #'OTPCertificate'{}, Event :: {bad_cert, Reason :: atom()} | <func> <name>close(SslSocket) -> ok | {error, Reason}</name> - <fsummary>Close a ssl connection</fsummary> + <fsummary>Close an ssl connection</fsummary> <type> <v>SslSocket = sslsocket()</v> <v>Reason = term()</v> </type> - <desc><p>Close a ssl connection.</p> + <desc><p>Close an ssl connection.</p> </desc> </func> @@ -450,7 +448,7 @@ fun(OtpCert :: #'OTPCertificate'{}, Event :: {bad_cert, Reason :: atom()} | <v>Reason = term()</v> </type> <desc><p>Assigns a new controlling process to the ssl-socket. A - controlling process is the owner of a ssl-socket, and receives + controlling process is the owner of an ssl-socket, and receives all messages from the socket.</p> </desc> </func> @@ -496,14 +494,14 @@ fun(OtpCert :: #'OTPCertificate'{}, Event :: {bad_cert, Reason :: atom()} | <func> <name>listen(Port, Options) -> {ok, ListenSocket} | {error, Reason}</name> - <fsummary>Creates a ssl listen socket.</fsummary> + <fsummary>Creates an ssl listen socket.</fsummary> <type> <v>Port = integer()</v> <v>Options = options()</v> <v>ListenSocket = sslsocket()</v> </type> <desc> - <p>Creates a ssl listen socket.</p> + <p>Creates an ssl listen socket.</p> </desc> </func> @@ -587,6 +585,7 @@ fun(OtpCert :: #'OTPCertificate'{}, Event :: {bad_cert, Reason :: atom()} | the socket is closed.</p> </desc> </func> + <func> <name>setopts(Socket, Options) -> ok | {error, Reason}</name> <fsummary>Set socket options.</fsummary> @@ -646,12 +645,12 @@ fun(OtpCert :: #'OTPCertificate'{}, Event :: {bad_cert, Reason :: atom()} | </type> <desc> <p> Upgrades a gen_tcp, or - equivalent, socket to a ssl socket i.e. performs the + equivalent, socket to an ssl socket i.e. performs the ssl server-side handshake.</p> - <p><warning>Note that the listen socket should be in {active, false} mode + <warning><p>Note that the listen socket should be in {active, false} mode before telling the client that the server is ready to upgrade and calling this function, otherwise the upgrade may - or may not succeed depending on timing.</warning></p> + or may not succeed depending on timing.</p></warning> </desc> </func> diff --git a/lib/ssl/doc/src/ssl_distribution.xml b/lib/ssl/doc/src/ssl_distribution.xml index 7bcc12eb5f..4ae4ead3ee 100644 --- a/lib/ssl/doc/src/ssl_distribution.xml +++ b/lib/ssl/doc/src/ssl_distribution.xml @@ -4,7 +4,7 @@ <chapter> <header> <copyright> - <year>2000</year><year>2010</year> + <year>2000</year><year>2011</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -33,36 +33,32 @@ </header> <p>This chapter describes how the Erlang distribution can use SSL to get additional verification and security. - - <note><p>Note this - documentation is written for the old ssl implementation and - will be updated for the new one once this functionality is - supported by the new implementation.</p></note> </p> <section> <title>Introduction</title> <p>The Erlang distribution can in theory use almost any connection based protocol as bearer. A module that implements the protocol - specific parts of connection setup is however needed. The + specific parts of the connection setup is however needed. The default distribution module is <c>inet_tcp_dist</c> which is included in the Kernel application. When starting an Erlang node distributed, <c>net_kernel</c> uses this module to setup listen ports and connections. </p> - <p>In the SSL application there is an additional distribution - module, <c>inet_ssl_dist</c> which can be used as an + + <p>In the SSL application there is an additional distribution + module, <c>inet_tls_dist</c> which can be used as an alternative. All distribution connections will be using SSL and all participating Erlang nodes in a distributed system must use this distribution module.</p> - <p>The security depends on how the connections are set up, one can - use key files or certificates to just get a encrypted - connection. One can also make the SSL package verify the - certificates of other nodes to get additional security. - Cookies are however always used as they can be used to - differentiate between two different Erlang networks.</p> + + <p>The security level depends on the parameters provided to the + SSL connection setup. Erlang node cookies are however always + used, as they can be used to differentiate between two different + Erlang networks.</p> <p>Setting up Erlang distribution over SSL involves some simple but necessary steps:</p> - <list type="bulleted"> + + <list type="bulleted"> <item>Building boot scripts including the SSL application</item> <item>Specifying the distribution module for net_kernel</item> <item>Specifying security options and other SSL options</item> @@ -77,122 +73,135 @@ SASL application. Refer to the SASL documentations for more information on systools. This is only an example of what can be done.</p> - <p>The simplest boot script possible includes only the Kernel + + <p>The simplest boot script possible includes only the Kernel and STDLIB applications. Such a script is located in the Erlang distributions bin directory. The source for the script can be found under the Erlang installation top directory under - <c><![CDATA[releases/<OTP version>start_clean.rel]]></c>. Copy that + <c><![CDATA[releases/<OTP version>/start_clean.rel]]></c>. Copy that script to another location (and preferably another name) - and add the SSL application with its current version number + and add the applications crypto, public_key and SSL with their current version numbers after the STDLIB application.</p> <p>An example .rel file with SSL added may look like this:</p> + <code type="none"> -{release, {"OTP APN 181 01","P7A"}, {erts, "5.0"}, - [{kernel,"2.5"}, - {stdlib,"1.8.1"}, - {ssl,"2.2.1"}]}. </code> - <p>Note that the version numbers surely will differ in your system. - Whenever one of the applications included in the script is - upgraded, the script has to be changed.</p> - <p>Assuming the above .rel file is stored in a file - <c>start_ssl.rel</c> in the current directory, a boot script - can be built like this:</p> - <code type="none"> -1> systools:make_script("start_ssl",[]). </code> - <p>There will now be a file <c>start_ssl.boot</c> in the current - directory. To test the boot script, start Erlang with the - <c>-boot</c> command line parameter specifying this boot script - (with its full path but without the <c>.boot</c> suffix), in - Unix it could look like this:</p> - <p></p> - <code type="none"><![CDATA[ + {release, {"OTP APN 181 01","R15A"}, {erts, "5.9"}, + [{kernel,"2.15"}, + {stdlib,"1.18"}, + {crypto, "2.0.3"}, + {public_key, "0.12"}, + {ssl, "5.0"} + ]}. + </code> + + <p>Note that the version numbers surely will differ in your system. + Whenever one of the applications included in the script is + upgraded, the script has to be changed.</p> + <p>Assuming the above .rel file is stored in a file + <c>start_ssl.rel</c> in the current directory, a boot script + can be built like this:</p> + + <code type="none"> + 1> systools:make_script("start_ssl",[]). </code> + + <p>There will now be a file <c>start_ssl.boot</c> in the current + directory. To test the boot script, start Erlang with the + <c>-boot</c> command line parameter specifying this boot script + (with its full path but without the <c>.boot</c> suffix), in + Unix it could look like this:</p> + <p></p> + + <code type="none"><![CDATA[ $ erl -boot /home/me/ssl/start_ssl Erlang (BEAM) emulator version 5.0 Eshell V5.0 (abort with ^G) -1> whereis(ssl_server). -<0.32.0> ]]></code> +1> whereis(ssl_manager). +<0.41.0> ]]></code> <p>The <c>whereis</c> function call verifies that the SSL application is really started.</p> - <p>As an alternative to building a bootscript, one can explicitly - add the path to the ssl <c>ebin</c> directory on the command + + <p>As an alternative to building a bootscript, one can explicitly + add the path to the SSL <c>ebin</c> directory on the command line. This is done with the command line option <c>-pa</c>. This - works as the ssl application really need not be started for the - distribution to come up, a primitive version of the ssl server - is started by the distribution module itself, so as long as the - primitive code server can reach the code, the distribution will + works as the SSL application does not need to be started for the + distribution to come up, as a clone of the SSL application is + hooked into the kernel application, so as long as the + SSL applications code can be reached, the distribution will start. The <c>-pa</c> method is only recommended for testing purposes.</p> + + <note><p>Note that the clone of the SSL application is necessary to + enable the use of the SSL code in such an early bootstage as + needed to setup the distribution, however this will make it + impossible to soft upgrade the SSL application.</p></note> </section> <section> <title>Specifying distribution module for net_kernel</title> - <p>The distribution module for SSL is named <c>inet_ssl_dist</c> - and is specified on the command line whit the <c>-proto_dist</c> + <p>The distribution module for SSL is named <c>inet_tls_dist</c> + and is specified on the command line with the <c>-proto_dist</c> option. The argument to <c>-proto_dist</c> should be the module name without the <c>_dist</c> suffix, so this distribution - module is specified with <c>-proto_dist inet_ssl</c> on the + module is specified with <c>-proto_dist inet_tls</c> on the command line.</p> <p></p> + <p>Extending the command line from above gives us the following:</p> <code type="none"> -$ erl -boot /home/me/ssl/start_ssl -proto_dist inet_ssl </code> - <p>For the distribution to actually be started, we need to give - the emulator a name as well:</p> +$ erl -boot /home/me/ssl/start_ssl -proto_dist inet_tls </code> + +<p>For the distribution to actually be started, we need to give +the emulator a name as well:</p> <code type="none"> -$ erl -boot /home/me/ssl/start_ssl -proto_dist inet_ssl -sname ssl_test +$ erl -boot /home/me/ssl/start_ssl -proto_dist inet_tls -sname ssl_test Erlang (BEAM) emulator version 5.0 [source] Eshell V5.0 (abort with ^G) (ssl_test@myhost)1> </code> <p>Note however that a node started in this way will refuse to talk - to other nodes, as no certificates or key files are supplied + to other nodes, as no ssl parameters are supplied (see below).</p> - <p>When the SSL distribution starts, the OTP system is in its - early boot stage, why neither <c>application</c> nor <c>code</c> - are usable. As SSL needs to start a port program in this early - stage, it tries to determine the path to that program from the - primitive code loaders code path. If this fails, one need to - specify the directory where the port program resides. This can - be done either with an environment variable - <c>ERL_SSL_PORTPROGRAM_DIR</c> or with the command line option - <c>-ssl_portprogram_dir</c>. The value should be the directory - where the <c>ssl_esock</c> port program is located. Note that - this option is never needed in a normal Erlang installation.</p> </section> <section> - <title>Specifying security options and other SSL options</title> - <p>For SSL to work, you either need certificate files or a - key file. Certificate files can be specified both when working as - client and as server (connecting or accepting). </p> - <p></p> + <title>Specifying SSL options</title> <p>For SSL to work, at least + a public key and certificate needs to be specified for the server + side. In the following example the PEM-files consists of two + entries the servers certificate and its private key.</p> + <p>On the <c>erl</c> command line one can specify options that the - ssl distribution will add when creation a socket. It is - mandatory to specify at least a key file or client and server - certificates. One can specify any <em>SSL option</em> on the - command line, but must not specify any socket options (like - packet size and such). The SSL options are listed in the - Reference Manual. The only difference between the - options in the reference manual and the ones that can be - specified to the distribution on the command line is that - <c>certfile</c> can (and usually needs to) be specified as - <c>client_certfile</c> and <c>server_certfile</c>. The - <c>client_certfile</c> is used when the distribution initiates a - connection to another node and the <c>server_certfile</c> is used - when accepting a connection from a remote node. </p> - <p>The command line argument for specifying the SSL options is named - <c>-ssl_dist_opt</c> and should be followed by an even number of - SSL options/option values. The <c>-ssl_dist_opt</c> argument can - be repeated any number of times.</p> - <p>An example command line would now look something like this + SSL distribution will add when creating a socket.</p> + + <p>One can specify the simpler SSL options certfile, keyfile, + password, cacertfile, verify, reuse_sessions, + secure_renegotiate, depth, hibernate_after and ciphers (use old + string format) by adding the prefix server_ or client_ to the + option name. The server can also take the options dhfile and + fail_if_no_peer_cert (also prefixed). + <c>client_</c>-prfixed options are used when the distribution initiates a + connection to another node and the <c>server_</c>-prefixed options are used + when accepting a connection from a remote node. </p> + + <p> More complex options such as verify_fun are not available at + the moment but a mechanism to handle such options may be added in + a future release. </p> + + <p> Raw socket options such as packet and size must not be specified on + the command line</p>. + + <p>The command line argument for specifying the SSL options is named + <c>-ssl_dist_opt</c> and should be followed by pairs of + SSL options and their values. The <c>-ssl_dist_opt</c> argument can + be repeated any number of times.</p> + + <p>An example command line would now look something like this (line breaks in the command are for readability, they should not be there when typed):</p> <code type="none"> -$ erl -boot /home/me/ssl/start_ssl -proto_dist inet_ssl - -ssl_dist_opt client_certfile "/home/me/ssl/erlclient.pem" +$ erl -boot /home/me/ssl/start_ssl -proto_dist inet_tls -ssl_dist_opt server_certfile "/home/me/ssl/erlserver.pem" - -ssl_dist_opt verify 1 depth 1 + -ssl_dist_opt server_secure_renegotiate true client_secure_renegotiate true -sname ssl_test Erlang (BEAM) emulator version 5.0 [source] @@ -211,12 +220,11 @@ Eshell V5.0 (abort with ^G) subsequent invocations of Erlang.</p> <p></p> <p>In a Unix (Bourne) shell it could look like this (line breaks for - readability):</p> + readability, they should not be there when typed):</p> <code type="none"> -$ ERL_FLAGS="-boot \\"/home/me/ssl/start_ssl\\" -proto_dist inet_ssl - -ssl_dist_opt client_certfile \\"/home/me/ssl/erlclient.pem\\" - -ssl_dist_opt server_certfile \\"/home/me/ssl/erlserver.pem\\" - -ssl_dist_opt verify 1 -ssl_dist_opt depth 1" +$ ERL_FLAGS="-boot /home/me/ssl/start_ssl -proto_dist inet_tls + -ssl_dist_opt server_certfile /home/me/ssl/erlserver.pem + -ssl_dist_opt server_secure_renegotiate true client_secure_renegotiate true" $ export ERL_FLAGS $ erl -sname ssl_test Erlang (BEAM) emulator version 5.0 [source] @@ -227,15 +235,12 @@ Eshell V5.0 (abort with ^G) {progname,["erl "]}, {sname,["ssl_test"]}, {boot,["/home/me/ssl/start_ssl"]}, - {proto_dist,["inet_ssl"]}, - {ssl_dist_opt,["client_certfile","/home/me/ssl/erlclient.pem"]}, + {proto_dist,["inet_tls"]}, {ssl_dist_opt,["server_certfile","/home/me/ssl/erlserver.pem"]}, - {ssl_dist_opt,["verify","1"]}, - {ssl_dist_opt,["depth","1"]}, + {ssl_dist_opt,["server_secure_renegotiate","true", + "client_secure_renegotiate","true"] {home,["/home/me"]}] </code> <p>The <c>init:get_arguments()</c> call verifies that the correct arguments are supplied to the emulator. </p> </section> </chapter> - - diff --git a/lib/ssl/doc/src/ssl_protocol.xml b/lib/ssl/doc/src/ssl_protocol.xml index 6936408881..17268a634d 100644 --- a/lib/ssl/doc/src/ssl_protocol.xml +++ b/lib/ssl/doc/src/ssl_protocol.xml @@ -4,7 +4,7 @@ <chapter> <header> <copyright> - <year>2003</year><year>2010</year> + <year>2003</year><year>2011</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -25,18 +25,18 @@ <file>ssl_protocol.xml</file> </header> - <p>The erlang ssl application currently supports SSL 3.0 and TLS 1.0 + <p>The erlang SSL application currently supports SSL 3.0 and TLS 1.0 RFC 2246, and will in the future also support later versions of TLS. SSL 2.0 is not supported. </p> - <p>By default erlang ssl is run over the TCP/IP protocol even - though you could plug in an other reliable transport protocol + <p>By default erlang SSL is run over the TCP/IP protocol even + though you could plug in any other reliable transport protocol with the same API as gen_tcp.</p> <p>If a client and server wants to use an upgrade mechanism, such as - defined by RFC2817, to upgrade a regular TCP/IP connection to a ssl - connection the erlang ssl API supports this. This can be useful for + defined by RFC2817, to upgrade a regular TCP/IP connection to an SSL + connection the erlang SSL API supports this. This can be useful for things such as supporting HTTP and HTTPS on the same port and implementing virtual hosting. </p> @@ -131,7 +131,7 @@ connections. Sessions are used to avoid the expensive negotiation of new security parameters for each connection."</p> - <p>Session data is by default kept by the ssl application in a + <p>Session data is by default kept by the SSL application in a memory storage hence session data will be lost at application restart or takeover. Users may define their own callback module to handle session data storage if persistent data storage is @@ -140,8 +140,8 @@ possible to configure the amount of time the session data should be saved.</p> - <p>Ssl clients will by default try to reuse an available session, - ssl servers will by default agree to reuse sessions when clients + <p>SSL clients will by default try to reuse an available session, + SSL servers will by default agree to reuse sessions when clients ask to do so.</p> </section> diff --git a/lib/ssl/doc/src/using_ssl.xml b/lib/ssl/doc/src/using_ssl.xml index 605290b6f9..ab837a156a 100644 --- a/lib/ssl/doc/src/using_ssl.xml +++ b/lib/ssl/doc/src/using_ssl.xml @@ -56,7 +56,7 @@ <code type="erl">1 server> ssl:start(). ok</code> - <p>Create a ssl listen socket</p> + <p>Create an ssl listen socket</p> <code type="erl">2 server> {ok, ListenSocket} = ssl:listen(9999, [{certfile, "cert.pem"}, {keyfile, "key.pem"},{reuseaddr, true}]). {ok,{sslsocket, [...]}}</code> @@ -90,7 +90,7 @@ ok</code> <section> <title>Upgrade example</title> - <note><p> To upgrade a TCP/IP connection to a ssl connection the + <note><p> To upgrade a TCP/IP connection to an ssl connection the client and server have to aggre to do so. Agreement may be accompliced by using a protocol such the one used by HTTP specified in RFC 2817.</p> </note> @@ -114,7 +114,7 @@ ok</code> <code type="erl">2 client> {ok, Socket} = gen_tcp:connect("localhost", 9999, [], infinity).</code> <p>Make sure active is set to false before trying - to upgrade a connection to a ssl connection, otherwhise + to upgrade a connection to an ssl connection, otherwhise ssl handshake messages may be deliverd to the wrong process.</p> <code type="erl">4 server> inet:setopts(Socket, [{active, false}]). ok</code> @@ -124,7 +124,7 @@ ok</code> {certfile, "cert.pem"}, {keyfile, "key.pem"}]). {ok,{sslsocket,[...]}}</code> - <p> Upgrade to a ssl connection. Note that the client and server + <p> Upgrade to an ssl connection. Note that the client and server must agree upon the upgrade and the server must call ssl:accept/2 before the client calls ssl:connect/3.</p> <code type="erl">3 client>{ok, SSLSocket} = ssl:connect(Socket, [{cacertfile, "cacerts.pem"}, |