OSX/libsecurity_ssl/regressions/SecureTransportTests/STLegacyTests+tls12.m

   1 /*
   2  * Copyright (c) 2011-2014 Apple Inc. All Rights Reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23
  24
  25 #include <stdbool.h>
  26 #include <pthread.h>
  27 #include <fcntl.h>
  28 #include <sys/mman.h>
  29 #include <unistd.h>
  30 #include <sys/types.h>
  31 #include <netinet/in.h>
  32 #include <sys/socket.h>
  33 #include <netdb.h>
  34 #include <arpa/inet.h>
  35 #include <CoreFoundation/CoreFoundation.h>
  36
  37 #include <AssertMacros.h>
  38 #include <Security/SecureTransportPriv.h> /* SSLSetOption */
  39 #include <Security/SecureTransport.h>
  40 #include <Security/SecPolicy.h>
  41 #include <Security/SecTrust.h>
  42 #include <Security/SecIdentity.h>
  43 #include <Security/SecIdentityPriv.h>
  44 #include <Security/SecCertificatePriv.h>
  45 #include <Security/SecKeyPriv.h>
  46 #include <Security/SecItem.h>
  47 #include <Security/SecRandom.h>
  48 #include <utilities/SecCFRelease.h>
  49
  50 #include <string.h>
  51 #include <sys/types.h>
  52 #include <sys/socket.h>
  53 #include <errno.h>
  54 #include <stdlib.h>
  55 #include <mach/mach_time.h>
  56
  57 #include "STLegacyTests.h"
  58
  59 @implementation STLegacyTests (tls12)
  60
  61 struct s_server {
  62     char *host;
  63     int port;
  64     SSLProtocol maxprot;
  65 };
  66
  67 typedef struct {
  68     struct s_server *server;
  69     uint32_t session_id;
  70     bool is_session_resume;
  71     SSLContextRef st;
  72     bool client_side_auth;
  73     bool dh_anonymous;
  74     int comm;
  75     CFArrayRef certs;
  76 } ssl_test_handle;
  77
  78 #pragma clang diagnostic push
  79 #pragma clang diagnostic ignored "-Wdeprecated-declarations"
  80
  81 #if SECTRANS_VERBOSE_DEBUG
  82 static void hexdump(const uint8_t *bytes, size_t len) {
  83         size_t ix;
  84     printf("socket write(%p, %lu)\n", bytes, len);
  85         for (ix = 0; ix < len; ++ix) {
  86         if (!(ix % 16))
  87             printf("\n");
  88                 printf("%02X ", bytes[ix]);
  89         }
  90         printf("\n");
  91 }
  92 #else
  93 #define hexdump(bytes, len)
  94 #endif
  95
  96 static int SocketConnect(const char *hostName, int port)
  97 {
  98     struct sockaddr_in  addr;
  99     struct in_addr      host;
 100         int                                     sock;
 101     int                 err;
 102     struct hostent      *ent;
 103
 104     if (hostName[0] >= '0' && hostName[0] <= '9') {
 105         host.s_addr = inet_addr(hostName);
 106     } else {
 107         ent = gethostbyname(hostName);
 108         if(ent == NULL) {
 109                         printf("\n***gethostbyname(%s) returned: %s\n", hostName, hstrerror(h_errno));
 110             return -2;
 111         }
 112         memcpy(&host, ent->h_addr, sizeof(struct in_addr));
 113     }
 114
 115     sock = socket(AF_INET, SOCK_STREAM, 0);
 116     addr.sin_addr = host;
 117     addr.sin_port = htons((u_short)port);
 118
 119     addr.sin_family = AF_INET;
 120     err = connect(sock, (struct sockaddr *) &addr, sizeof(struct sockaddr_in));
 121
 122     if (err!=0) {
 123         perror("connect failed");
 124         return -1;
 125     }
 126
 127     return sock;
 128 }
 129
 130
 131 static OSStatus SocketWrite(SSLConnectionRef conn, const void *data, size_t *length)
 132 {
 133         size_t len = *length;
 134         uint8_t *ptr = (uint8_t *)data;
 135
 136     do {
 137         ssize_t ret;
 138         do {
 139             hexdump(ptr, len);
 140             ret = write((int)conn, ptr, len);
 141             if (ret < 0) {
 142                 perror("send");
 143             }
 144         } while ((ret < 0) && (errno == EAGAIN || errno == EINTR));
 145         if (ret > 0) {
 146             len -= ret;
 147             ptr += ret;
 148         }
 149         else {
 150             return -36;
 151         }
 152     } while (len > 0);
 153
 154     *length = *length - len;
 155     return errSecSuccess;
 156 }
 157
 158 static OSStatus SocketRead(SSLConnectionRef conn, void *data, size_t *length)
 159 {
 160         size_t len = *length;
 161         uint8_t *ptr = (uint8_t *)data;
 162
 163     do {
 164         ssize_t ret;
 165         do {
 166             ret = read((int)conn, ptr, len);
 167             if (ret < 0)
 168                 perror("send");
 169         } while ((ret < 0) && (errno == EAGAIN || errno == EINTR));
 170         if (ret > 0) {
 171             len -= ret;
 172             ptr += ret;
 173         }
 174         else {
 175             return -36;
 176         }
 177     } while (len > 0);
 178
 179     *length = *length - len;
 180     return errSecSuccess;
 181 }
 182
 183 static SSLContextRef make_ssl_ref(int sock, SSLProtocol maxprot, const char *peerName)
 184 {
 185     SSLContextRef ctx = NULL;
 186     require((ctx = SSLCreateContext(kCFAllocatorDefault, kSSLClientSide, kSSLStreamType)), out);
 187     require_noerr(SSLSetIOFuncs(ctx,
 188                                 (SSLReadFunc)SocketRead, (SSLWriteFunc)SocketWrite), out);
 189     require_noerr(SSLSetConnection(ctx, (SSLConnectionRef)(intptr_t)sock), out);
 190
 191     require_noerr(SSLSetSessionOption(ctx,
 192                                       kSSLSessionOptionBreakOnServerAuth, true), out);
 193
 194     require_noerr(SSLSetProtocolVersionMax(ctx, maxprot), out);
 195
 196     require_noerr(SSLSetPeerDomainName(ctx, peerName, strlen(peerName)), out);
 197     /* Tell SecureTransport to not check certs itself: it will break out of the
 198      handshake to let us take care of it instead. */
 199     require_noerr(SSLSetEnableCertVerify(ctx, false), out);
 200
 201     return ctx;
 202 out:
 203     CFReleaseNull(ctx);
 204     return NULL;
 205 }
 206
 207 static OSStatus securetransport(ssl_test_handle * ssl)
 208 {
 209     OSStatus ortn;
 210     SSLContextRef ctx = ssl->st;
 211     SecTrustRef trust = NULL;
 212     bool got_server_auth = false, got_client_cert_req = false;
 213
 214     do {
 215         ortn = SSLHandshake(ctx);
 216
 217         if (ortn == errSSLServerAuthCompleted) {
 218             require_string(!got_server_auth, out, "second server auth");
 219             require_string(!got_client_cert_req, out, "got client cert req before server auth");
 220             got_server_auth = true;
 221             require_string(!trust, out, "Got errSSLServerAuthCompleted twice?");
 222             /* verify peer cert chain */
 223             require_noerr(SSLCopyPeerTrust(ctx, &trust), out);
 224             SecTrustResultType trust_result = 0;
 225             /* this won't verify without setting up a trusted anchor */
 226             require_noerr(SecTrustEvaluate(trust, &trust_result), out);
 227             require((trust_result == kSecTrustResultUnspecified), out);
 228
 229         }
 230     } while (ortn == errSSLWouldBlock
 231              || ortn == errSSLServerAuthCompleted);
 232     require_noerr_action_quiet(ortn, out,
 233                                fprintf(stderr, "Fell out of SSLHandshake with error: %d\n", (int)ortn));
 234
 235     require_string(got_server_auth, out, "never got server auth");
 236
 237     SSLProtocol proto = kSSLProtocolUnknown;
 238     require_noerr_quiet(SSLGetNegotiatedProtocolVersion(ctx, &proto), out);
 239
 240     SSLCipherSuite cipherSuite;
 241     require_noerr_quiet(ortn = SSLGetNegotiatedCipher(ctx, &cipherSuite), out);
 242
 243
 244 out:
 245     SSLClose(ctx);
 246     CFReleaseNull(ctx);
 247     CFReleaseNull(trust);
 248
 249     return ortn;
 250 }
 251
 252
 253
 254 #define CONNECT_TRIES 3
 255
 256 -(ssl_test_handle *)ssl_test_handle_create:(struct s_server *)server
 257 {
 258     int comm = -1;
 259
 260     for (int try = 0; comm < 0 && try < CONNECT_TRIES; try++) {
 261         comm = SocketConnect(server->host, server->port);
 262     }
 263
 264     if (comm < 0) {
 265         return NULL;
 266     }
 267
 268     ssl_test_handle *handle = calloc(1, sizeof(ssl_test_handle));
 269     if (handle) {
 270         handle->comm = comm;
 271         handle->st = make_ssl_ref(comm, server->maxprot, server->host);
 272         handle->server = server;
 273     }
 274     return handle;
 275 }
 276
 277 static void
 278 ssl_test_handle_destroy(ssl_test_handle *handle)
 279 {
 280     close(handle->comm);
 281     free(handle);
 282 }
 283
 284
 285 struct s_server servers[] = {
 286 #if !TARGET_OS_IPHONE  //This test run on AppleWifi on iPhone, so we can't connect to internal servers.
 287     {"nod.apple.com", 636, kTLSProtocol12 }, // This one has only the server eku, not the client one.
 288 #endif
 289     {"gsa.apple.com", 443, kTLSProtocol12 }, // This one has only the server eku, not the client one.
 290     /* Good tls 1.2 servers */
 291     {"sslanalyzer.comodoca.com", 443, kTLSProtocol12 }, // This one has a stapled OCSP response with SCTs.
 292     {"encrypted.google.com", 443, kTLSProtocol12 },
 293     {"www.amazon.com",443, kTLSProtocol12 },
 294     //{"www.mikestoolbox.org",443, kTLSProtocol12 },
 295     /* servers with issues */
 296     // This server went offline as of May 2016 -- {"vpp.visa.co.uk", 443, kTLSProtocol12 }, // Doesnt like SSL 3.0 in initial record layer version
 297     {"imap.softbank.jp",993, kTLSProtocol12 },   // softbank imap server, there are multiple servers behind this, one of them is not able to handle downgrading to TLS 1.2 properly (126.240.66.17).
 298     {"mobile.charter.net",993, kTLSProtocol12 }, // Support 1.2 but fail to negotiate properly
 299     {"mybill.vodafone.com.au", 443, kTLSProtocol1 }, /* 2056 bit server key */
 300 };
 301
 302 #define NSERVERS (int)(sizeof(servers)/sizeof(servers[0]))
 303 #define NLOOPS 1
 304
 305 -(void)testTls12
 306 {
 307     int p;
 308     OSStatus r;
 309
 310     for (p = 0; p < NSERVERS; p++) {
 311         for (int loops = 0; loops < NLOOPS; loops++) {
 312             ssl_test_handle *client;
 313
 314         SKIP: {
 315                         if (!(client = [self ssl_test_handle_create:&servers[p]]))
 316                                 continue;
 317             r = securetransport(client);
 318             XCTAssert(r == errSecSuccess, "handshake failed with err=%ld - %s:%d (try %d)", (long)r, servers[p].host, servers[p].port, loops);
 319
 320             ssl_test_handle_destroy(client);
 321         }
 322         }
 323     }
 324 }
 325
 326 @end
 327
 328 #pragma clang diagnostic pop