1 #! /usr/bin/env perl 2 # Copyright 2015-2018 The OpenSSL Project Authors. All Rights Reserved. 3 # 4 # Licensed under the Apache License 2.0 (the "License"). You may not use 5 # this file except in compliance with the License. You can obtain a copy 6 # in the file LICENSE in the source distribution or at 7 # https://www.openssl.org/source/license.html 8 9 package checkhandshake; 10 11 use OpenSSL::Test qw/:DEFAULT cmdstr srctop_file srctop_dir bldtop_dir/; 12 use OpenSSL::Test::Utils; 13 use TLSProxy::Proxy; 14 15 use Exporter; 16 our @ISA = 'Exporter'; 17 our @EXPORT = qw(@handmessages @extensions checkhandshake); 18 19 use constant { 20 DEFAULT_HANDSHAKE => 1, 21 OCSP_HANDSHAKE => 2, 22 RESUME_HANDSHAKE => 4, 23 CLIENT_AUTH_HANDSHAKE => 8, 24 RENEG_HANDSHAKE => 16, 25 NPN_HANDSHAKE => 32, 26 EC_HANDSHAKE => 64, 27 HRR_HANDSHAKE => 128, 28 HRR_RESUME_HANDSHAKE => 256, 29 30 ALL_HANDSHAKES => 511 31 }; 32 33 use constant { 34 #DEFAULT also includes SESSION_TICKET_SRV_EXTENSION and SERVER_NAME_CLI 35 DEFAULT_EXTENSIONS => 0x00000007, 36 SESSION_TICKET_SRV_EXTENSION => 0x00000002, 37 SERVER_NAME_CLI_EXTENSION => 0x00000004, 38 SERVER_NAME_SRV_EXTENSION => 0x00000008, 39 STATUS_REQUEST_CLI_EXTENSION => 0x00000010, 40 STATUS_REQUEST_SRV_EXTENSION => 0x00000020, 41 ALPN_CLI_EXTENSION => 0x00000040, 42 ALPN_SRV_EXTENSION => 0x00000080, 43 SCT_CLI_EXTENSION => 0x00000100, 44 SCT_SRV_EXTENSION => 0x00000200, 45 RENEGOTIATE_CLI_EXTENSION => 0x00000400, 46 NPN_CLI_EXTENSION => 0x00000800, 47 NPN_SRV_EXTENSION => 0x00001000, 48 SRP_CLI_EXTENSION => 0x00002000, 49 #Client side for ec point formats is a default extension 50 EC_POINT_FORMAT_SRV_EXTENSION => 0x00004000, 51 PSK_CLI_EXTENSION => 0x00008000, 52 PSK_SRV_EXTENSION => 0x00010000, 53 KEY_SHARE_SRV_EXTENSION => 0x00020000, 54 PSK_KEX_MODES_EXTENSION => 0x00040000, 55 KEY_SHARE_HRR_EXTENSION => 0x00080000, 56 SUPPORTED_GROUPS_SRV_EXTENSION => 0x00100000, 57 POST_HANDSHAKE_AUTH_CLI_EXTENSION => 0x00200000 58 }; 59 60 our @handmessages = (); 61 our @extensions = (); 62 63 sub checkhandshake($$$$) 64 { 65 my ($proxy, $handtype, $exttype, $testname) = @_; 66 67 subtest $testname => sub { 68 my $loop = 0; 69 my $numtests; 70 my $extcount; 71 my $clienthelloseen = 0; 72 73 my $lastmt = 0; 74 my $numsh = 0; 75 if (TLSProxy::Proxy::is_tls13()) { 76 #How many ServerHellos are we expecting? 77 for ($numtests = 0; $handmessages[$loop][1] != 0; $loop++) { 78 next if (($handmessages[$loop][1] & $handtype) == 0); 79 $numsh++ if ($lastmt != TLSProxy::Message::MT_SERVER_HELLO 80 && $handmessages[$loop][0] == TLSProxy::Message::MT_SERVER_HELLO); 81 $lastmt = $handmessages[$loop][0]; 82 } 83 } 84 85 #First count the number of tests 86 my $nextmess = 0; 87 my $message = undef; 88 my $chnum = 0; 89 my $shnum = 0; 90 if (!TLSProxy::Proxy::is_tls13()) { 91 # In non-TLSv1.3 we always treat reneg CH and SH like the first CH 92 # and SH 93 $chnum = 1; 94 $shnum = 1; 95 } 96 #If we're only expecting one ServerHello out of two then we skip the 97 #first ServerHello in the list completely 98 $shnum++ if ($numsh == 1 && TLSProxy::Proxy::is_tls13()); 99 $loop = 0; 100 for ($numtests = 0; $handmessages[$loop][1] != 0; $loop++) { 101 next if (($handmessages[$loop][1] & $handtype) == 0); 102 if (scalar @{$proxy->message_list} > $nextmess) { 103 $message = ${$proxy->message_list}[$nextmess]; 104 $nextmess++; 105 } else { 106 $message = undef; 107 } 108 $numtests++; 109 110 next if (!defined $message); 111 if (TLSProxy::Proxy::is_tls13()) { 112 $chnum++ if $message->mt() == TLSProxy::Message::MT_CLIENT_HELLO; 113 $shnum++ if $message->mt() == TLSProxy::Message::MT_SERVER_HELLO; 114 } 115 next if ($message->mt() != TLSProxy::Message::MT_CLIENT_HELLO 116 && $message->mt() != TLSProxy::Message::MT_SERVER_HELLO 117 && $message->mt() != 118 TLSProxy::Message::MT_ENCRYPTED_EXTENSIONS 119 && $message->mt() != TLSProxy::Message::MT_CERTIFICATE 120 && $message->mt() != TLSProxy::Message::MT_CERTIFICATE_REQUEST); 121 122 next if $message->mt() == TLSProxy::Message::MT_CERTIFICATE 123 && !TLSProxy::Proxy::is_tls13(); 124 125 my $extchnum = 1; 126 my $extshnum = 1; 127 for (my $extloop = 0; 128 $extensions[$extloop][3] != 0; 129 $extloop++) { 130 $extchnum = 2 if $extensions[$extloop][0] != TLSProxy::Message::MT_CLIENT_HELLO 131 && TLSProxy::Proxy::is_tls13(); 132 $extshnum = 2 if $extensions[$extloop][0] != TLSProxy::Message::MT_SERVER_HELLO 133 && $extchnum == 2; 134 next if $extensions[$extloop][0] == TLSProxy::Message::MT_CLIENT_HELLO 135 && $extchnum != $chnum; 136 next if $extensions[$extloop][0] == TLSProxy::Message::MT_SERVER_HELLO 137 && $extshnum != $shnum; 138 next if ($message->mt() != $extensions[$extloop][0]); 139 next if ($message->server() != $extensions[$extloop][2]); 140 $numtests++; 141 } 142 $numtests++; 143 } 144 145 plan tests => $numtests; 146 147 $nextmess = 0; 148 $message = undef; 149 if (TLSProxy::Proxy::is_tls13()) { 150 $chnum = 0; 151 $shnum = 0; 152 } else { 153 # In non-TLSv1.3 we always treat reneg CH and SH like the first CH 154 # and SH 155 $chnum = 1; 156 $shnum = 1; 157 } 158 #If we're only expecting one ServerHello out of two then we skip the 159 #first ServerHello in the list completely 160 $shnum++ if ($numsh == 1 && TLSProxy::Proxy::is_tls13()); 161 for ($loop = 0; $handmessages[$loop][1] != 0; $loop++) { 162 next if (($handmessages[$loop][1] & $handtype) == 0); 163 if (scalar @{$proxy->message_list} > $nextmess) { 164 $message = ${$proxy->message_list}[$nextmess]; 165 $nextmess++; 166 } else { 167 $message = undef; 168 } 169 if (!defined $message) { 170 fail("Message type check. Got nothing, expected " 171 .$handmessages[$loop][0]); 172 next; 173 } else { 174 ok($message->mt == $handmessages[$loop][0], 175 "Message type check. Got ".$message->mt 176 .", expected ".$handmessages[$loop][0]); 177 } 178 if (TLSProxy::Proxy::is_tls13()) { 179 $chnum++ if $message->mt() == TLSProxy::Message::MT_CLIENT_HELLO; 180 $shnum++ if $message->mt() == TLSProxy::Message::MT_SERVER_HELLO; 181 } 182 183 next if ($message->mt() != TLSProxy::Message::MT_CLIENT_HELLO 184 && $message->mt() != TLSProxy::Message::MT_SERVER_HELLO 185 && $message->mt() != 186 TLSProxy::Message::MT_ENCRYPTED_EXTENSIONS 187 && $message->mt() != TLSProxy::Message::MT_CERTIFICATE 188 && $message->mt() != TLSProxy::Message::MT_CERTIFICATE_REQUEST); 189 190 next if $message->mt() == TLSProxy::Message::MT_CERTIFICATE 191 && !TLSProxy::Proxy::is_tls13(); 192 193 if ($message->mt() == TLSProxy::Message::MT_CLIENT_HELLO) { 194 #Add renegotiate extension we will expect if renegotiating 195 $exttype |= RENEGOTIATE_CLI_EXTENSION 196 if ($clienthelloseen && !TLSProxy::Proxy::is_tls13()); 197 $clienthelloseen = 1; 198 } 199 #Now check that we saw the extensions we expected 200 my $msgexts = $message->extension_data(); 201 my $extchnum = 1; 202 my $extshnum = 1; 203 for (my $extloop = 0, $extcount = 0; $extensions[$extloop][3] != 0; 204 $extloop++) { 205 #In TLSv1.3 we can have two ClientHellos if there has been a 206 #HelloRetryRequest, and they may have different extensions. Skip 207 #if these are extensions for a different ClientHello 208 $extchnum = 2 if $extensions[$extloop][0] != TLSProxy::Message::MT_CLIENT_HELLO 209 && TLSProxy::Proxy::is_tls13(); 210 $extshnum = 2 if $extensions[$extloop][0] != TLSProxy::Message::MT_SERVER_HELLO 211 && $extchnum == 2; 212 next if $extensions[$extloop][0] == TLSProxy::Message::MT_CLIENT_HELLO 213 && $extchnum != $chnum; 214 next if $extensions[$extloop][0] == TLSProxy::Message::MT_SERVER_HELLO 215 && $extshnum != $shnum; 216 next if ($message->mt() != $extensions[$extloop][0]); 217 next if ($message->server() != $extensions[$extloop][2]); 218 ok (($extensions[$extloop][3] & $exttype) == 0 219 || defined ($msgexts->{$extensions[$extloop][1]}), 220 "Extension presence check (Message: ".$message->mt() 221 ." Extension: ".($extensions[$extloop][3] & $exttype).", " 222 .$extloop.")"); 223 $extcount++ if (($extensions[$extloop][3] & $exttype) != 0); 224 } 225 ok($extcount == keys %$msgexts, "Extensions count mismatch (" 226 .$extcount.", ".(keys %$msgexts) 227 .")"); 228 } 229 } 230 } 231 232 1; 233
Indexes created Sat Feb 28 05:31:39 UTC 2026