diff options
Diffstat (limited to 'lib/ssl/src/ssl.erl')
| -rw-r--r-- | lib/ssl/src/ssl.erl | 125 |
1 files changed, 110 insertions, 15 deletions
diff --git a/lib/ssl/src/ssl.erl b/lib/ssl/src/ssl.erl index e3bb4df1ac..fa9da25f0c 100644 --- a/lib/ssl/src/ssl.erl +++ b/lib/ssl/src/ssl.erl @@ -35,27 +35,69 @@ -include("ssl_srp.hrl"). %% Application handling --export([start/0, start/1, stop/0, clear_pem_cache/0]). +-export([start/0, + start/1, + stop/0, + clear_pem_cache/0]). %% Socket handling --export([connect/3, connect/2, connect/4, - listen/2, transport_accept/1, transport_accept/2, - handshake/1, handshake/2, handshake/3, handshake_continue/2, - handshake_continue/3, handshake_cancel/1, - ssl_accept/1, ssl_accept/2, ssl_accept/3, - controlling_process/2, peername/1, peercert/1, sockname/1, - close/1, close/2, shutdown/2, recv/2, recv/3, send/2, - getopts/2, setopts/2, getstat/1, getstat/2 +-export([connect/3, + connect/2, + connect/4, + listen/2, + transport_accept/1, + transport_accept/2, + handshake/1, + handshake/2, + handshake/3, + handshake_continue/2, + handshake_continue/3, + handshake_cancel/1, + ssl_accept/1, + ssl_accept/2, + ssl_accept/3, + controlling_process/2, + peername/1, + peercert/1, + sockname/1, + close/1, + close/2, + shutdown/2, + recv/2, + recv/3, + send/2, + getopts/2, + setopts/2, + getstat/1, + getstat/2 ]). %% SSL/TLS protocol handling --export([cipher_suites/0, cipher_suites/1, cipher_suites/2, filter_cipher_suites/2, - prepend_cipher_suites/2, append_cipher_suites/2, - eccs/0, eccs/1, versions/0, groups/0, groups/1, - format_error/1, renegotiate/1, prf/5, negotiated_protocol/1, - connection_information/1, connection_information/2]). +-export([cipher_suites/0, + cipher_suites/1, + cipher_suites/2, + cipher_suites/3, + filter_cipher_suites/2, + prepend_cipher_suites/2, + append_cipher_suites/2, + eccs/0, + eccs/1, + versions/0, + groups/0, + groups/1, + format_error/1, + renegotiate/1, + prf/5, + negotiated_protocol/1, + connection_information/1, + connection_information/2]). %% Misc --export([handle_options/2, tls_version/1, new_ssl_options/3, suite_to_str/1]). +-export([handle_options/2, + tls_version/1, + new_ssl_options/3, + suite_to_str/1, + suite_to_openssl_str/1, + str_to_suite/1]). -deprecated({ssl_accept, 1, eventually}). -deprecated({ssl_accept, 2, eventually}). @@ -945,6 +987,29 @@ cipher_suites(Base, Version) -> [ssl_cipher_format:suite_bin_to_map(Suite) || Suite <- supported_suites(Base, Version)]. %%-------------------------------------------------------------------- +-spec cipher_suites(Supported, Version, rfc | openssl) -> string() when + Supported :: default | all | anonymous, + Version :: protocol_version(). + +%% Description: Returns all default and all supported cipher suites for a +%% TLS/DTLS version +%%-------------------------------------------------------------------- +cipher_suites(Base, Version, StringType) when Version == 'tlsv1.2'; + Version == 'tlsv1.1'; + Version == tlsv1; + Version == sslv3 -> + cipher_suites(Base, tls_record:protocol_version(Version), StringType); +cipher_suites(Base, Version, StringType) when Version == 'dtlsv1.2'; + Version == 'dtlsv1'-> + cipher_suites(Base, dtls_record:protocol_version(Version), StringType); +cipher_suites(Base, Version, rfc) -> + [ssl_cipher_format:suite_map_to_str(ssl_cipher_format:suite_bin_to_map(Suite)) + || Suite <- supported_suites(Base, Version)]; +cipher_suites(Base, Version, openssl) -> + [ssl_cipher_format:suite_map_to_openssl_str(ssl_cipher_format:suite_bin_to_map(Suite)) + || Suite <- supported_suites(Base, Version)]. + +%%-------------------------------------------------------------------- -spec filter_cipher_suites(Suites, Filters) -> Ciphers when Suites :: ciphers(), Filters :: cipher_filters(), @@ -1325,9 +1390,39 @@ tls_version({254, _} = Version) -> suite_to_str(Cipher) -> ssl_cipher_format:suite_map_to_str(Cipher). +%%-------------------------------------------------------------------- +-spec suite_to_openssl_str(CipherSuite) -> string() when + CipherSuite :: erl_cipher_suite(). +%% +%% Description: Return the string representation of a cipher suite. +%%-------------------------------------------------------------------- +suite_to_openssl_str(Cipher) -> + ssl_cipher_format:suite_map_to_openssl_str(Cipher). + +%% +%%-------------------------------------------------------------------- +-spec str_to_suite(CipherSuiteName) -> erl_cipher_suite() when + CipherSuiteName :: string() | {error, {not_recognized, CipherSuiteName :: string()}}. +%% +%% Description: Return the map representation of a cipher suite. +%%-------------------------------------------------------------------- +str_to_suite(CipherSuiteName) -> + try + %% Note in TLS-1.3 OpenSSL conforms to RFC names + %% so if CipherSuiteName starts with TLS this + %% function will call ssl_cipher_format:suite_str_to_map + %% so both RFC names and legacy OpenSSL names of supported + %% cipher suites will be handled + ssl_cipher_format:suite_openssl_str_to_map(CipherSuiteName) + catch + _:_ -> + {error, {not_recognized, CipherSuiteName}} + end. + %%%-------------------------------------------------------------- %%% Internal functions %%%-------------------------------------------------------------------- + %% Possible filters out suites not supported by crypto available_suites(default) -> Version = tls_record:highest_protocol_version([]), |