OSX/libsecurity_ssl/regressions/ssl-45-tls12.c

   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
  49 #include <string.h>
  50 #include <sys/types.h>
  51 #include <sys/socket.h>
  52 #include <errno.h>
  53 #include <stdlib.h>
  54 #include <mach/mach_time.h>
  55
  56 #include "ssl_regressions.h"
  57
  58 struct s_server {
  59     char *host;
  60     int port;
  61     SSLProtocol maxprot;
  62 };
  63
  64 typedef struct {
  65     struct s_server *server;
  66     uint32_t session_id;
  67     bool is_session_resume;
  68     SSLContextRef st;
  69     bool client_side_auth;
  70     bool dh_anonymous;
  71     int comm;
  72     CFArrayRef certs;
  73 } ssl_test_handle;
  74
  75
  76
  77 #if 0
  78 static void hexdump(const uint8_t *bytes, size_t len) {
  79         size_t ix;
  80     printf("socket write(%p, %lu)\n", bytes, len);
  81         for (ix = 0; ix < len; ++ix) {
  82         if (!(ix % 16))
  83             printf("\n");
  84                 printf("%02X ", bytes[ix]);
  85         }
  86         printf("\n");
  87 }
  88 #else
  89 #define hexdump(bytes, len)
  90 #endif
  91
  92 static int SocketConnect(const char *hostName, int port)
  93 {
  94     struct sockaddr_in  addr;
  95     struct in_addr      host;
  96         int                                     sock;
  97     int                 err;
  98     struct hostent      *ent;
  99
 100     if (hostName[0] >= '0' && hostName[0] <= '9')
 101     {
 102         host.s_addr = inet_addr(hostName);
 103     }
 104     else {
 105                 unsigned dex;
 106 #define GETHOST_RETRIES 5
 107                 /* seeing a lot of soft failures here that I really don't want to track down */
 108                 for(dex=0; dex<GETHOST_RETRIES; dex++) {
 109                         if(dex != 0) {
 110                                 printf("\n...retrying gethostbyname(%s)", hostName);
 111                         }
 112                         ent = gethostbyname(hostName);
 113                         if(ent != NULL) {
 114                                 break;
 115                         }
 116                 }
 117         if(ent == NULL) {
 118                         printf("\n***gethostbyname(%s) returned: %s\n", hostName, hstrerror(h_errno));
 119             return -1;
 120         }
 121         memcpy(&host, ent->h_addr, sizeof(struct in_addr));
 122     }
 123
 124
 125     sock = socket(AF_INET, SOCK_STREAM, 0);
 126     addr.sin_addr = host;
 127     addr.sin_port = htons((u_short)port);
 128
 129     addr.sin_family = AF_INET;
 130     err = connect(sock, (struct sockaddr *) &addr, sizeof(struct sockaddr_in));
 131
 132     if(err!=0)
 133     {
 134         perror("connect failed");
 135         return err;
 136     }
 137
 138     return sock;
 139 }
 140
 141
 142 static OSStatus SocketWrite(SSLConnectionRef conn, const void *data, size_t *length)
 143 {
 144         size_t len = *length;
 145         uint8_t *ptr = (uint8_t *)data;
 146
 147     do {
 148         ssize_t ret;
 149         do {
 150             hexdump(ptr, len);
 151             ret = write((int)conn, ptr, len);
 152             if (ret < 0)
 153                 perror("send");
 154         } while ((ret < 0) && (errno == EAGAIN || errno == EINTR));
 155         if (ret > 0) {
 156             len -= ret;
 157             ptr += ret;
 158         }
 159         else
 160             return -36;
 161     } while (len > 0);
 162
 163     *length = *length - len;
 164     return errSecSuccess;
 165 }
 166
 167 static OSStatus SocketRead(SSLConnectionRef conn, void *data, size_t *length)
 168 {
 169         size_t len = *length;
 170         uint8_t *ptr = (uint8_t *)data;
 171
 172     do {
 173         ssize_t ret;
 174         do {
 175             ret = read((int)conn, ptr, len);
 176             if (ret < 0)
 177                 perror("send");
 178         } while ((ret < 0) && (errno == EAGAIN || errno == EINTR));
 179         if (ret > 0) {
 180             len -= ret;
 181             ptr += ret;
 182         }
 183         else
 184             return -36;
 185     } while (len > 0);
 186
 187     *length = *length - len;
 188     return errSecSuccess;
 189 }
 190
 191 static SSLContextRef make_ssl_ref(int sock, SSLProtocol maxprot, const char *peerName)
 192 {
 193     SSLContextRef ctx = NULL;
 194
 195     require_noerr(SSLNewContext(false, &ctx), out);
 196     require_noerr(SSLSetIOFuncs(ctx,
 197                                 (SSLReadFunc)SocketRead, (SSLWriteFunc)SocketWrite), out);
 198     require_noerr(SSLSetConnection(ctx, (SSLConnectionRef)(intptr_t)sock), out);
 199
 200     require_noerr(SSLSetSessionOption(ctx,
 201                                       kSSLSessionOptionBreakOnServerAuth, true), out);
 202
 203     require_noerr(SSLSetProtocolVersionMax(ctx, maxprot), out);
 204
 205     require_noerr(SSLSetPeerDomainName(ctx, peerName, strlen(peerName)), out);
 206     /* Tell SecureTransport to not check certs itself: it will break out of the
 207      handshake to let us take care of it instead. */
 208     require_noerr(SSLSetEnableCertVerify(ctx, false), out);
 209
 210     return ctx;
 211 out:
 212     if (ctx)
 213         SSLDisposeContext(ctx);
 214     return NULL;
 215 }
 216
 217 static OSStatus securetransport(ssl_test_handle * ssl)
 218 {
 219     OSStatus ortn;
 220     SSLContextRef ctx = ssl->st;
 221     SecTrustRef trust = NULL;
 222     bool got_server_auth = false, got_client_cert_req = false;
 223
 224     //uint64_t start = mach_absolute_time();
 225     do {
 226         ortn = SSLHandshake(ctx);
 227
 228         if (ortn == errSSLServerAuthCompleted)
 229         {
 230             require_string(!got_server_auth, out, "second server auth");
 231             require_string(!got_client_cert_req, out, "got client cert req before server auth");
 232             got_server_auth = true;
 233             require_string(!trust, out, "Got errSSLServerAuthCompleted twice?");
 234             /* verify peer cert chain */
 235             require_noerr(SSLCopyPeerTrust(ctx, &trust), out);
 236             SecTrustResultType trust_result = 0;
 237             /* this won't verify without setting up a trusted anchor */
 238             require_noerr(SecTrustEvaluate(trust, &trust_result), out);
 239             require((trust_result == kSecTrustResultUnspecified), out);
 240
 241         }
 242     } while (ortn == errSSLWouldBlock
 243              || ortn == errSSLServerAuthCompleted);
 244     require_noerr_action_quiet(ortn, out,
 245                                fprintf(stderr, "Fell out of SSLHandshake with error: %d\n", (int)ortn));
 246
 247     require_string(got_server_auth, out, "never got server auth");
 248
 249     //uint64_t elapsed = mach_absolute_time() - start;
 250     //fprintf(stderr, "setr elapsed: %lld\n", elapsed);
 251
 252     /*
 253      SSLProtocol proto = kSSLProtocolUnknown;
 254      require_noerr_quiet(SSLGetNegotiatedProtocolVersion(ctx, &proto), out); */
 255
 256     SSLCipherSuite cipherSuite;
 257     require_noerr_quiet(ortn = SSLGetNegotiatedCipher(ctx, &cipherSuite), out);
 258     //fprintf(stderr, "st negotiated %02x\n", cipherSuite);
 259
 260
 261 out:
 262     SSLClose(ctx);
 263     SSLDisposeContext(ctx);
 264     if (trust) CFRelease(trust);
 265
 266     return ortn;
 267 }
 268
 269
 270
 271 static ssl_test_handle *
 272 ssl_test_handle_create(struct s_server *server)
 273 {
 274     int comm;
 275
 276     comm=SocketConnect(server->host, server->port);
 277     if(comm<0) {
 278         fail("connect failed with err=%d - %s:%d", comm, server->host, server->port);
 279         return NULL;
 280     }
 281
 282     ssl_test_handle *handle = calloc(1, sizeof(ssl_test_handle));
 283     if (handle) {
 284         handle->comm = comm;
 285         handle->st = make_ssl_ref(comm, server->maxprot, server->host);
 286         handle->server = server;
 287     }
 288     return handle;
 289 }
 290
 291 static void
 292 ssl_test_handle_destroy(ssl_test_handle *handle)
 293 {
 294     close(handle->comm);
 295     free(handle);
 296 }
 297
 298
 299 struct s_server servers[] = {
 300 #if !TARGET_OS_IPHONE  //This test run on AppleWifi on iPhone, so we can't connect to internal servers.
 301     {"nod.apple.com", 636, kTLSProtocol12 }, // This one has only the server eku, not the client one.
 302 #endif
 303     {"gsa.apple.com", 443, kTLSProtocol12 }, // This one has only the server eku, not the client one.
 304     /* Good tls 1.2 servers */
 305     {"sslanalyzer.comodoca.com", 443, kTLSProtocol12 }, // This one has a stapled OCSP response with SCTs.
 306     {"encrypted.google.com", 443, kTLSProtocol12 },
 307     {"www.amazon.com",443, kTLSProtocol12 },
 308     //{"www.mikestoolbox.org",443, kTLSProtocol12 },
 309     /* servers with issues */
 310     {"vpp.visa.co.uk", 443, kTLSProtocol12 }, // Doesnt like SSL 3.0 in initial record layer version
 311     {"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).
 312     {"mobile.charter.net",993, kTLSProtocol12 }, // Support 1.2 but fail to negotiate properly
 313     {"mybill.vodafone.com.au", 443, kTLSProtocol1 }, /* 2056 bit server key */
 314 };
 315
 316 #define NSERVERS (int)(sizeof(servers)/sizeof(servers[0]))
 317 #define NLOOPS 1
 318
 319 static void
 320 tests(void)
 321 {
 322     int p;
 323     OSStatus r;
 324
 325     for(p=0; p<NSERVERS;p++) {
 326         for(int loops=0; loops<NLOOPS; loops++) {
 327             ssl_test_handle *client;
 328
 329         SKIP: {
 330             skip("failed to create transport", 1,
 331                  client = ssl_test_handle_create(&servers[p]));
 332
 333             r=securetransport(client);
 334             ok(!r, "handshake failed with err=%ld - %s:%d (try %d)", (long)r, servers[p].host, servers[p].port, loops);
 335
 336             ssl_test_handle_destroy(client);
 337         }
 338         }
 339     }
 340 }
 341
 342 int ssl_45_tls12(int argc, char *const *argv)
 343 {
 344         plan_tests(NSERVERS*NLOOPS);
 345
 346         tests();
 347
 348         return 0;
 349 }