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authorIngela Anderton Andin <[email protected]>2018-06-12 09:55:50 +0200
committerIngela Anderton Andin <[email protected]>2018-06-14 12:04:03 +0200
commite91b2afc41716557bad662e346e9f978ee3156ba (patch)
tree5f7c62c72e5a5e6d7a43af06f39ec464dd81a62e /lib/ssl/doc
parentcabbb94eab4d94f3c924f8854e3f030d7ceca9cc (diff)
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ssl: Add handle_continue/2 and document enhancements
* deprecation of ssl:ssl_accept/[1,2,3] * deprecation of ssl:cipher_suites/[0,1] * More consistent naming
Diffstat (limited to 'lib/ssl/doc')
-rw-r--r--lib/ssl/doc/src/ssl.xml142
-rw-r--r--lib/ssl/doc/src/using_ssl.xml6
2 files changed, 63 insertions, 85 deletions
diff --git a/lib/ssl/doc/src/ssl.xml b/lib/ssl/doc/src/ssl.xml
index 825bf46459..d6e9e949c3 100644
--- a/lib/ssl/doc/src/ssl.xml
+++ b/lib/ssl/doc/src/ssl.xml
@@ -896,16 +896,7 @@ fun(srp, Username :: string(), UserState :: term()) ->
<v>Type = erlang | openssl | all</v>
</type>
<desc>
- <p>Returns a list of supported cipher suites.
- This function will become deprecated in OTP 21, and replaced
- by <seealso marker="#cipher_suites-2">ssl:cipher-suites/2</seealso>
- <c>cipher_suites()</c> is equivalent to <c>cipher_suites(erlang).</c>
- Type <c>openssl</c> is provided for backwards compatibility with the
- old SSL, which used OpenSSL. <c>cipher_suites(all)</c> returns
- all available cipher suites. The cipher suites not present
- in <c>cipher_suites(erlang)</c> but included in
- <c>cipher_suites(all)</c> are not used unless explicitly configured
- by the user.</p>
+ <p>Deprecated in OTP 21, use <seealso marker="#cipher_suites-2">ssl:cipher_suites/2</seealso> instead.</p>
</desc>
</func>
@@ -948,7 +939,7 @@ fun(srp, Username :: string(), UserState :: term()) ->
<func>
<name>connect(Socket, SslOptions) -> </name>
- <name>connect(Socket, SslOptions, Timeout) -> {ok, TLSSocket} | {ok, TLSSocket, Ext}
+ <name>connect(Socket, SslOptions, Timeout) -> {ok, SslSocket} | {ok, SslSocket, Ext}
| {error, Reason}</name>
<fsummary>Upgrades a <c>gen_tcp</c>, or
equivalent, connected socket to an TLS socket.</fsummary>
@@ -956,7 +947,7 @@ fun(srp, Username :: string(), UserState :: term()) ->
<v>Socket = socket()</v>
<v>SslOptions = [{handshake, hello| full} | ssl_option()]</v>
<v>Timeout = integer() | infinity</v>
- <v>TLSSocket = sslsocket()</v>
+ <v>SslSocket = sslsocket()</v>
<v>Ext = hello_extensions()</v>
<v>Reason = term()</v>
</type>
@@ -973,8 +964,8 @@ fun(srp, Username :: string(), UserState :: term()) ->
<p> If the option <c>{handshake, hello}</c> is used the
handshake is paused after receiving the server hello message
- and the success response is <c>{ok, TLSSocket, Ext}</c>
- instead of <c>{ok, TLSSocket}</c>. Thereafter the handshake is continued or
+ and the success response is <c>{ok, SslSocket, Ext}</c>
+ instead of <c>{ok, SslSocket}</c>. Thereafter the handshake is continued or
canceled by calling <seealso marker="#handshake_continue-3">
<c>handshake_continue/3</c></seealso> or <seealso
marker="#handshake_cancel-1"><c>handshake_cancel/1</c></seealso>.
@@ -986,7 +977,7 @@ fun(srp, Username :: string(), UserState :: term()) ->
<func>
<name>connect(Host, Port, Options) -></name>
<name>connect(Host, Port, Options, Timeout) ->
- {ok, SslSocket}| {ok, TLSSocket, Ext} | {error, Reason}</name>
+ {ok, SslSocket}| {ok, SslSocket, Ext} | {error, Reason}</name>
<fsummary>Opens an TLS/DTLS connection to <c>Host</c>, <c>Port</c>.</fsummary>
<type>
<v>Host = host()</v>
@@ -1017,8 +1008,8 @@ fun(srp, Username :: string(), UserState :: term()) ->
<p> If the option <c>{handshake, hello}</c> is used the
handshake is paused after receiving the server hello message
- and the success response is <c>{ok, TLSSocket, Ext}</c>
- instead of <c>{ok, TLSSocket}</c>. Thereafter the handshake is continued or
+ and the success response is <c>{ok, SslSocket, Ext}</c>
+ instead of <c>{ok, SslSocket}</c>. Thereafter the handshake is continued or
canceled by calling <seealso marker="#handshake_continue-3">
<c>handshake_continue/3</c></seealso> or <seealso
marker="#handshake_cancel-1"><c>handshake_cancel/1</c></seealso>.
@@ -1074,6 +1065,7 @@ fun(srp, Username :: string(), UserState :: term()) ->
<fsummary>Returns all the connection information.
</fsummary>
<type>
+ <v>SslSocket = sslsocket()</v>
<v>Item = protocol | cipher_suite | sni_hostname | ecc | session_id | atom()</v>
<d>Meaningful atoms, not specified above, are the ssl option names.</d>
<v>Result = [{Item::atom(), Value::term()}]</v>
@@ -1091,6 +1083,7 @@ fun(srp, Username :: string(), UserState :: term()) ->
<fsummary>Returns the requested connection information.
</fsummary>
<type>
+ <v>SslSocket = sslsocket()</v>
<v>Items = [Item]</v>
<v>Item = protocol | cipher_suite | sni_hostname | ecc | session_id | client_random
| server_random | master_secret | atom()</v>
@@ -1133,7 +1126,7 @@ fun(srp, Username :: string(), UserState :: term()) ->
</func>
<func>
- <name>getopts(Socket, OptionNames) ->
+ <name>getopts(SslSocket, OptionNames) ->
{ok, [socketoption()]} | {error, Reason}</name>
<fsummary>Gets the values of the specified options.</fsummary>
<type>
@@ -1147,13 +1140,13 @@ fun(srp, Username :: string(), UserState :: term()) ->
</func>
<func>
- <name>getstat(Socket) ->
+ <name>getstat(SslSocket) ->
{ok, OptionValues} | {error, inet:posix()}</name>
- <name>getstat(Socket, OptionNames) ->
+ <name>getstat(SslSocket, OptionNames) ->
{ok, OptionValues} | {error, inet:posix()}</name>
<fsummary>Get one or more statistic options for a socket</fsummary>
<type>
- <v>Socket = sslsocket()</v>
+ <v>SslSocket = sslsocket()</v>
<v>OptionNames = [atom()]</v>
<v>OptionValues = [{inet:stat_option(), integer()}]</v>
</type>
@@ -1164,28 +1157,27 @@ fun(srp, Username :: string(), UserState :: term()) ->
</func>
<func>
- <name>handshake(Socket) -> </name>
- <name>handshake(Socket, Timeout) -> {ok, Socket} | {error, Reason}</name>
+ <name>handshake(HsSocket) -> </name>
+ <name>handshake(HsSocket, Timeout) -> {ok, SslSocket} | {error, Reason}</name>
<fsummary>Performs server-side SSL/TLS handshake.</fsummary>
<type>
- <v>Socket = sslsocket()</v>
+ <v>HsSocket = SslSocket = sslsocket()</v>
<v>Timeout = integer()</v>
<v>Reason = term()</v>
</type>
<desc>
<p>Performs the SSL/TLS/DTLS server-side handshake.</p>
- <p><c>Socket</c> is a socket as returned by
- <seealso marker="#transport_accept-2">ssl:transport_accept/[1,2]</seealso>.
- </p>
+ <p>Returns a new TLS/DTLS socket if the handshake is successful.</p>
</desc>
</func>
<func>
<name>handshake(Socket, SslOptions) -> </name>
- <name>handshake(Socket, SslOptions, Timeout) -> {ok, Socket} | {ok, Socket, Ext} | {error, Reason}</name>
+ <name>handshake(Socket, SslOptions, Timeout) -> {ok, SslSocket} | {ok, SslSocket, Ext} | {error, Reason}</name>
<fsummary>Performs server-side SSL/TLS/DTLS handshake.</fsummary>
<type>
<v>Socket = socket() | sslsocket() </v>
+ <v>SslSocket = sslsocket() </v>
<v>Ext = hello_extensions()</v>
<v>SslOptions = [{handshake, hello| full} | ssl_option()]</v>
<v>Timeout = integer()</v>
@@ -1194,22 +1186,23 @@ fun(srp, Username :: string(), UserState :: term()) ->
<desc>
<p>If <c>Socket</c> is a ordinary <c>socket()</c>: upgrades a <c>gen_tcp</c>,
or equivalent, socket to an SSL socket, that is, performs
- the SSL/TLS server-side handshake and returns the SSL socket.</p>
+ the SSL/TLS server-side handshake and returns a TLS socket.</p>
- <warning><p>The Socket shall be in passive mode ({active,
- false}) before calling this function or the handshake can fail
- due to a race condition.</p></warning>
+ <warning><p>The <c>Socket</c> shall be in passive mode ({active,
+ false}) before calling this function or else the behavior of this function
+ is undefined.
+ </p></warning>
<p>If <c>Socket</c> is an <c>sslsocket()</c>: provides extra SSL/TLS/DTLS
options to those specified in
<seealso marker="#listen-2">ssl:listen/2 </seealso> and then performs
- the SSL/TLS/DTLS handshake.</p>
-
+ the SSL/TLS/DTLS handshake. Returns a new TLS/DTLS socket if the handshake is successful.</p>
+
<p>
If option <c>{handshake, hello}</c> is specified the handshake is
paused after receiving the client hello message and the
- sucess response is <c>{ok, TLSSocket, Ext}</c> instead of <c>{ok,
- TLSSocket}</c>. Thereafter the handshake is continued or
+ success response is <c>{ok, SslSocket, Ext}</c> instead of <c>{ok,
+ SslSocket}</c>. Thereafter the handshake is continued or
canceled by calling <seealso marker="#handshake_continue-3">
<c>handshake_continue/3</c></seealso> or <seealso
marker="#handshake_cancel-1"><c>handshake_cancel/1</c></seealso>.
@@ -1218,10 +1211,10 @@ fun(srp, Username :: string(), UserState :: term()) ->
</func>
<func>
- <name>handshake_cancel(Socket) -> ok </name>
+ <name>handshake_cancel(SslSocket) -> ok </name>
<fsummary>Cancel handshake with a fatal alert</fsummary>
<type>
- <v>Socket = sslsocket()</v>
+ <v>SslSocket = sslsocket()</v>
</type>
<desc>
<p>Cancel the handshake with a fatal <c>USER_CANCELED</c> alert.</p>
@@ -1229,10 +1222,11 @@ fun(srp, Username :: string(), UserState :: term()) ->
</func>
<func>
- <name>handshake_continue(Socket, SSLOptions, Timeout) -> {ok, Socket} | {error, Reason}</name>
+ <name>handshake_continue(HsSocket, SSLOptions) -> {ok, SslSocket} | {error, Reason}</name>
+ <name>handshake_continue(HsSocket, SSLOptions, Timeout) -> {ok, SslSocket} | {error, Reason}</name>
<fsummary>Continue the SSL/TLS handshake.</fsummary>
<type>
- <v>Socket = sslsocket()</v>
+ <v>HsSocket = SslSocket = sslsocket()</v>
<v>SslOptions = [ssl_option()]</v>
<v>Timeout = integer()</v>
<v>Reason = term()</v>
@@ -1257,10 +1251,10 @@ fun(srp, Username :: string(), UserState :: term()) ->
</func>
<func>
- <name>negotiated_protocol(Socket) -> {ok, Protocol} | {error, protocol_not_negotiated}</name>
+ <name>negotiated_protocol(SslSocket) -> {ok, Protocol} | {error, protocol_not_negotiated}</name>
<fsummary>Returns the protocol negotiated through ALPN or NPN extensions.</fsummary>
<type>
- <v>Socket = sslsocket()</v>
+ <v>SslSocket = sslsocket()</v>
<v>Protocol = binary()</v>
</type>
<desc>
@@ -1271,10 +1265,10 @@ fun(srp, Username :: string(), UserState :: term()) ->
</func>
<func>
- <name>peercert(Socket) -> {ok, Cert} | {error, Reason}</name>
+ <name>peercert(SslSocket) -> {ok, Cert} | {error, Reason}</name>
<fsummary>Returns the peer certificate.</fsummary>
<type>
- <v>Socket = sslsocket()</v>
+ <v>SslSocket = sslsocket()</v>
<v>Cert = binary()</v>
</type>
<desc>
@@ -1285,11 +1279,11 @@ fun(srp, Username :: string(), UserState :: term()) ->
</func>
<func>
- <name>peername(Socket) -> {ok, {Address, Port}} |
+ <name>peername(SslSocket) -> {ok, {Address, Port}} |
{error, Reason}</name>
<fsummary>Returns the peer address and port.</fsummary>
<type>
- <v>Socket = sslsocket()</v>
+ <v>SslSocket = sslsocket()</v>
<v>Address = ipaddress()</v>
<v>Port = integer()</v>
</type>
@@ -1335,12 +1329,12 @@ fun(srp, Username :: string(), UserState :: term()) ->
</func>
<func>
- <name>recv(Socket, Length) -> </name>
- <name>recv(Socket, Length, Timeout) -> {ok, Data} | {error,
+ <name>recv(SslSocket, Length) -> </name>
+ <name>recv(SslSocket, Length, Timeout) -> {ok, Data} | {error,
Reason}</name>
<fsummary>Receives data on a socket.</fsummary>
<type>
- <v>Socket = sslsocket()</v>
+ <v>SslSocket = sslsocket()</v>
<v>Length = integer()</v>
<v>Timeout = integer()</v>
<v>Data = [char()] | binary()</v>
@@ -1362,10 +1356,10 @@ fun(srp, Username :: string(), UserState :: term()) ->
</func>
<func>
- <name>renegotiate(Socket) -> ok | {error, Reason}</name>
+ <name>renegotiate(SslSocket) -> ok | {error, Reason}</name>
<fsummary>Initiates a new handshake.</fsummary>
<type>
- <v>Socket = sslsocket()</v>
+ <v>SslSocket = sslsocket()</v>
</type>
<desc><p>Initiates a new handshake. A notable return value is
<c>{error, renegotiation_rejected}</c> indicating that the peer
@@ -1375,10 +1369,10 @@ fun(srp, Username :: string(), UserState :: term()) ->
</func>
<func>
- <name>send(Socket, Data) -> ok | {error, Reason}</name>
+ <name>send(SslSocket, Data) -> ok | {error, Reason}</name>
<fsummary>Writes data to a socket.</fsummary>
<type>
- <v>Socket = sslsocket()</v>
+ <v>SslSocket = sslsocket()</v>
<v>Data = iodata()</v>
</type>
<desc>
@@ -1389,10 +1383,10 @@ fun(srp, Username :: string(), UserState :: term()) ->
</func>
<func>
- <name>setopts(Socket, Options) -> ok | {error, Reason}</name>
+ <name>setopts(SslSocket, Options) -> ok | {error, Reason}</name>
<fsummary>Sets socket options.</fsummary>
<type>
- <v>Socket = sslsocket()</v>
+ <v>SslSocket = sslsocket()</v>
<v>Options = [socketoption]()</v>
</type>
<desc>
@@ -1402,10 +1396,10 @@ fun(srp, Username :: string(), UserState :: term()) ->
</func>
<func>
- <name>shutdown(Socket, How) -> ok | {error, Reason}</name>
+ <name>shutdown(SslSocket, How) -> ok | {error, Reason}</name>
<fsummary>Immediately closes a socket.</fsummary>
<type>
- <v>Socket = sslsocket()</v>
+ <v>SslSocket = sslsocket()</v>
<v>How = read | write | read_write</v>
<v>Reason = reason()</v>
</type>
@@ -1420,19 +1414,16 @@ fun(srp, Username :: string(), UserState :: term()) ->
</func>
<func>
- <name>ssl_accept(Socket) -> </name>
- <name>ssl_accept(Socket, Timeout) -> ok | {error, Reason}</name>
+ <name>ssl_accept(SslSocket) -> </name>
+ <name>ssl_accept(SslSocket, Timeout) -> ok | {error, Reason}</name>
<fsummary>Performs server-side SSL/TLS handshake.</fsummary>
<type>
- <v>Socket = sslsocket()</v>
+ <v>SslSocket = sslsocket()</v>
<v>Timeout = integer()</v>
<v>Reason = term()</v>
</type>
<desc>
- <p>Performs the SSL/TLS/DTLS server-side handshake.</p>
- <p><c>Socket</c> is a socket as returned by
- <seealso marker="#transport_accept-2">ssl:transport_accept/[1,2]</seealso>
- </p>
+ <p>Deprecated in OTP 21, use <seealso marker="#handshake-1">ssl:handshake[1,2]</seealso> instead.</p>
</desc>
</func>
@@ -1447,29 +1438,16 @@ fun(srp, Username :: string(), UserState :: term()) ->
<v>Reason = term()</v>
</type>
<desc>
- <p>If <c>Socket</c> is a <c>socket()</c>: upgrades a <c>gen_tcp</c>,
- or equivalent, socket to an SSL socket, that is, performs
- the SSL/TLS server-side handshake and returns the SSL socket.</p>
-
- <warning><p>The listen socket is to be in mode <c>{active, false}</c>
- before telling the client that the server is ready to upgrade
- by calling this function, else the upgrade succeeds or does not
- succeed depending on timing.</p></warning>
-
- <p>If <c>Socket</c> is an <c>sslsocket()</c>: provides extra SSL/TLS/DTLS
- options to those specified in
- <seealso marker="#listen-2">ssl:listen/2 </seealso> and then performs
- the SSL/TLS/DTLS handshake.
- </p>
+ <p>Deprecated in OTP 21, use <seealso marker="#handshake-3">ssl:handshake[2,3]</seealso> instead.</p>
</desc>
</func>
<func>
- <name>sockname(Socket) -> {ok, {Address, Port}} |
+ <name>sockname(SslSocket) -> {ok, {Address, Port}} |
{error, Reason}</name>
<fsummary>Returns the local address and port.</fsummary>
<type>
- <v>Socket = sslsocket()</v>
+ <v>SslSocket = sslsocket()</v>
<v>Address = ipaddress()</v>
<v>Port = integer()</v>
</type>
@@ -1503,11 +1481,11 @@ fun(srp, Username :: string(), UserState :: term()) ->
<func>
<name>transport_accept(ListenSocket) -></name>
<name>transport_accept(ListenSocket, Timeout) ->
- {ok, NewSocket} | {error, Reason}</name>
+ {ok, SslSocket} | {error, Reason}</name>
<fsummary>Accepts an incoming connection and
prepares for <c>ssl_accept</c>.</fsummary>
<type>
- <v>ListenSocket = NewSocket = sslsocket()</v>
+ <v>ListenSocket = SslSocket = sslsocket()</v>
<v>Timeout = integer()</v>
<v>Reason = reason()</v>
</type>
diff --git a/lib/ssl/doc/src/using_ssl.xml b/lib/ssl/doc/src/using_ssl.xml
index 3ef33df719..b2d649042b 100644
--- a/lib/ssl/doc/src/using_ssl.xml
+++ b/lib/ssl/doc/src/using_ssl.xml
@@ -66,7 +66,7 @@ ssl:listen(9999, [{certfile, "cert.pem"}, {keyfile, "key.pem"},{reuseaddr, true}
{ok,{sslsocket, [...]}}</code>
<p><em>Step 3:</em> Do a transport accept on the TLS listen socket:</p>
- <code type="erl">3 server> {ok, Socket} = ssl:transport_accept(ListenSocket).
+ <code type="erl">3 server> {ok, TLSTransportSocket} = ssl:transport_accept(ListenSocket).
{ok,{sslsocket, [...]}}</code>
<p><em>Step 4:</em> Start the client side: </p>
@@ -77,7 +77,7 @@ ok</code>
{ok,{sslsocket, [...]}}</code>
<p><em>Step 5:</em> Do the TLS handshake:</p>
- <code type="erl">4 server> ok = ssl:ssl_accept(Socket).
+ <code type="erl">4 server> {ok, Socket} = ssl:handshake(TLSTransportSocket).
ok</code>
<p><em>Step 6:</em> Send a message over TLS:</p>
@@ -126,7 +126,7 @@ ok</code>
ok</code>
<p><em>Step 6:</em> Do the TLS handshake:</p>
- <code type="erl">5 server> {ok, TLSSocket} = ssl:ssl_accept(Socket, [{cacertfile, "cacerts.pem"},
+ <code type="erl">5 server> {ok, TLSSocket} = ssl:handshake(Socket, [{cacertfile, "cacerts.pem"},
{certfile, "cert.pem"}, {keyfile, "key.pem"}]).
{ok,{sslsocket,[...]}}</code>