OSX/sec/Security/Tool/spc.c

   1 /*
   2  * Copyright (c) 2009-2010,2013-2014 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  *  spc.c - Security
  26  *
  27  *
  28  */
  29
  30 #include <TargetConditionals.h>
  31 #if TARGET_OS_EMBEDDED
  32
  33 #include "SecurityCommands.h"
  34
  35 #include <CoreFoundation/CoreFoundation.h>
  36 #include <AssertMacros.h>
  37 #include <TargetConditionals.h>
  38 #include <CFNetwork/CFNetwork.h>
  39
  40 extern const CFStringRef kCFStreamPropertySSLPeerTrust;
  41 #include <Security/SecTrust.h>
  42 #include <Security/SecCertificate.h>
  43 #include <Security/SecCertificatePriv.h>
  44 #include <Security/SecImportExport.h>
  45 #include <Security/SecPolicy.h>
  46 #include <Security/SecIdentity.h>
  47 #include <Security/SecIdentityPriv.h>
  48 #include <Security/SecRSAKey.h>
  49 #include <Security/SecSCEP.h>
  50 #include <Security/SecCMS.h>
  51 #include <Security/SecItem.h>
  52 #include <Security/SecInternal.h>
  53 #include <utilities/array_size.h>
  54 #include <err.h>
  55 #include <stdio.h>
  56 #include <getopt.h>
  57
  58 //static char *scep_url = "https://localhost:2000/cgi-bin/pkiclient.exe";
  59 static char *user = "webuser";
  60 static char *pass = "webpassowrd";
  61 static int debug = 0;
  62
  63 #define BUFSIZE 1024
  64
  65 unsigned char device_cert_der[] = {
  66   0x30, 0x82, 0x02, 0xdf, 0x30, 0x82, 0x02, 0x48, 0xa0, 0x03, 0x02, 0x01,
  67   0x02, 0x02, 0x0a, 0x01, 0x5c, 0x0a, 0x2f, 0xfd, 0x20, 0x02, 0x00, 0xe6,
  68   0x27, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01,
  69   0x01, 0x0b, 0x05, 0x00, 0x30, 0x5a, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03,
  70   0x55, 0x04, 0x06, 0x13, 0x02, 0x55, 0x53, 0x31, 0x13, 0x30, 0x11, 0x06,
  71   0x03, 0x55, 0x04, 0x0a, 0x13, 0x0a, 0x41, 0x70, 0x70, 0x6c, 0x65, 0x20,
  72   0x49, 0x6e, 0x63, 0x2e, 0x31, 0x15, 0x30, 0x13, 0x06, 0x03, 0x55, 0x04,
  73   0x0b, 0x13, 0x0c, 0x41, 0x70, 0x70, 0x6c, 0x65, 0x20, 0x69, 0x50, 0x68,
  74   0x6f, 0x6e, 0x65, 0x31, 0x1f, 0x30, 0x1d, 0x06, 0x03, 0x55, 0x04, 0x03,
  75   0x13, 0x16, 0x41, 0x70, 0x70, 0x6c, 0x65, 0x20, 0x69, 0x50, 0x68, 0x6f,
  76   0x6e, 0x65, 0x20, 0x44, 0x65, 0x76, 0x69, 0x63, 0x65, 0x20, 0x43, 0x41,
  77   0x30, 0x1e, 0x17, 0x0d, 0x30, 0x38, 0x31, 0x32, 0x31, 0x32, 0x32, 0x33,
  78   0x30, 0x33, 0x35, 0x36, 0x5a, 0x17, 0x0d, 0x31, 0x31, 0x31, 0x32, 0x31,
  79   0x32, 0x32, 0x33, 0x30, 0x33, 0x35, 0x36, 0x5a, 0x30, 0x81, 0x87, 0x31,
  80   0x31, 0x30, 0x2f, 0x06, 0x03, 0x55, 0x04, 0x03, 0x13, 0x28, 0x66, 0x31,
  81   0x66, 0x35, 0x30, 0x66, 0x38, 0x31, 0x32, 0x32, 0x66, 0x62, 0x31, 0x30,
  82   0x31, 0x34, 0x36, 0x66, 0x36, 0x35, 0x65, 0x39, 0x30, 0x33, 0x38, 0x30,
  83   0x31, 0x37, 0x36, 0x33, 0x34, 0x32, 0x61, 0x64, 0x64, 0x36, 0x61, 0x38,
  84   0x35, 0x63, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x06, 0x13,
  85   0x02, 0x55, 0x53, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x08,
  86   0x13, 0x02, 0x43, 0x41, 0x31, 0x12, 0x30, 0x10, 0x06, 0x03, 0x55, 0x04,
  87   0x07, 0x13, 0x09, 0x43, 0x75, 0x70, 0x65, 0x72, 0x74, 0x69, 0x6e, 0x6f,
  88   0x31, 0x13, 0x30, 0x11, 0x06, 0x03, 0x55, 0x04, 0x0a, 0x13, 0x0a, 0x41,
  89   0x70, 0x70, 0x6c, 0x65, 0x20, 0x49, 0x6e, 0x63, 0x2e, 0x31, 0x0f, 0x30,
  90   0x0d, 0x06, 0x03, 0x55, 0x04, 0x0b, 0x13, 0x06, 0x69, 0x50, 0x68, 0x6f,
  91   0x6e, 0x65, 0x30, 0x81, 0x9f, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48,
  92   0x86, 0xf7, 0x0d, 0x01, 0x01, 0x01, 0x05, 0x00, 0x03, 0x81, 0x8d, 0x00,
  93   0x30, 0x81, 0x89, 0x02, 0x81, 0x81, 0x00, 0xba, 0xc5, 0x2a, 0x7b, 0xb3,
  94   0x29, 0x21, 0x8d, 0xbd, 0x01, 0x12, 0xff, 0x0b, 0xf6, 0x14, 0x66, 0x15,
  95   0x7b, 0x99, 0xf8, 0x1e, 0x08, 0x46, 0x40, 0xd7, 0x48, 0x57, 0xf0, 0x9c,
  96   0x08, 0xac, 0xbc, 0x93, 0xc3, 0xd8, 0x81, 0xd8, 0x52, 0xd7, 0x9e, 0x9b,
  97   0x3e, 0x65, 0xef, 0x98, 0x8d, 0x93, 0x2e, 0x79, 0x58, 0x22, 0x98, 0xe2,
  98   0xd9, 0x2f, 0x84, 0x6d, 0xf0, 0x50, 0xc6, 0xba, 0x52, 0x28, 0x29, 0xf1,
  99   0x83, 0x4c, 0xad, 0xdd, 0x5a, 0x7a, 0xab, 0xd2, 0x74, 0xb2, 0x1d, 0xc1,
 100   0xa9, 0xe4, 0x87, 0xbd, 0xa0, 0x94, 0x0e, 0x50, 0xa7, 0xc7, 0xf1, 0x0d,
 101   0xda, 0x0c, 0x36, 0x94, 0xf4, 0x2c, 0xb8, 0x76, 0xc7, 0x7b, 0x32, 0x87,
 102   0x23, 0x70, 0x9f, 0x3f, 0x19, 0xeb, 0xc3, 0xb5, 0x3a, 0x6e, 0xec, 0xa7,
 103   0x9c, 0xb4, 0xdb, 0xe7, 0x6e, 0x6d, 0x5e, 0x3c, 0x14, 0xa1, 0xa6, 0xfb,
 104   0x50, 0xfb, 0x17, 0x02, 0x03, 0x01, 0x00, 0x01, 0xa3, 0x7e, 0x30, 0x7c,
 105   0x30, 0x1b, 0x06, 0x03, 0x55, 0x1d, 0x23, 0x04, 0x14, 0xb2, 0xfe, 0x21,
 106   0x23, 0x44, 0x86, 0x95, 0x6a, 0x79, 0xd5, 0x81, 0x26, 0x8e, 0x73, 0x10,
 107   0xd8, 0xa7, 0x4c, 0x8e, 0x74, 0x30, 0x1d, 0x06, 0x03, 0x55, 0x1d, 0x0e,
 108   0x04, 0x16, 0x04, 0x14, 0x33, 0x2f, 0xbd, 0x38, 0x86, 0xbc, 0xb0, 0xb2,
 109   0x6a, 0xd3, 0x86, 0xca, 0x92, 0x7c, 0x0a, 0x6d, 0x55, 0xab, 0x34, 0x81,
 110   0x30, 0x0c, 0x06, 0x03, 0x55, 0x1d, 0x13, 0x01, 0x01, 0xff, 0x04, 0x02,
 111   0x30, 0x00, 0x30, 0x0e, 0x06, 0x03, 0x55, 0x1d, 0x0f, 0x01, 0x01, 0xff,
 112   0x04, 0x04, 0x03, 0x02, 0x05, 0xa0, 0x30, 0x20, 0x06, 0x03, 0x55, 0x1d,
 113   0x25, 0x01, 0x01, 0xff, 0x04, 0x16, 0x30, 0x14, 0x06, 0x08, 0x2b, 0x06,
 114   0x01, 0x05, 0x05, 0x07, 0x03, 0x01, 0x06, 0x08, 0x2b, 0x06, 0x01, 0x05,
 115   0x05, 0x07, 0x03, 0x02, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86,
 116   0xf7, 0x0d, 0x01, 0x01, 0x0b, 0x05, 0x00, 0x03, 0x81, 0x81, 0x00, 0xe2,
 117   0x0c, 0x37, 0x3e, 0x5f, 0x96, 0x10, 0x0d, 0xea, 0xa5, 0x15, 0x8f, 0xa2,
 118   0x5b, 0x01, 0xe0, 0x1f, 0x15, 0x11, 0x42, 0x4b, 0x9e, 0x4b, 0x93, 0x90,
 119   0x56, 0x4f, 0x4f, 0xbb, 0xc7, 0x32, 0x74, 0xfc, 0xbd, 0x1c, 0xcc, 0x06,
 120   0x9f, 0xbb, 0x0b, 0x11, 0xa4, 0x8b, 0xa0, 0x52, 0x59, 0x94, 0xef, 0x87,
 121   0x0c, 0xb1, 0xa8, 0xe0, 0x85, 0x96, 0xe1, 0x1b, 0x8b, 0x56, 0x12, 0x4d,
 122   0x94, 0xd6, 0xa5, 0x52, 0x7f, 0x65, 0xf3, 0x21, 0x1f, 0xaa, 0x07, 0x8c,
 123   0xaf, 0x69, 0xfa, 0x47, 0xbe, 0x3b, 0x74, 0x1a, 0x7c, 0xa6, 0x25, 0x63,
 124   0x18, 0x5f, 0x0d, 0xda, 0xc4, 0x58, 0x01, 0xbc, 0xf2, 0x6d, 0x2d, 0xc1,
 125   0x68, 0x3e, 0xa1, 0x2c, 0x59, 0x03, 0x3e, 0xa3, 0x13, 0x1b, 0xd9, 0x42,
 126   0x28, 0x1e, 0x6c, 0x7f, 0x7f, 0x9d, 0x29, 0xf6, 0x43, 0x84, 0xe7, 0x60,
 127   0xe3, 0x6f, 0x6a, 0x8a, 0x9f, 0x1d, 0x70
 128 };
 129 unsigned int device_cert_der_len = 739;
 130
 131 unsigned char device_key[] = {
 132   0x30, 0x82, 0x02, 0x5c, 0x02, 0x01, 0x00, 0x02, 0x81, 0x81, 0x00, 0xba,
 133   0xc5, 0x2a, 0x7b, 0xb3, 0x29, 0x21, 0x8d, 0xbd, 0x01, 0x12, 0xff, 0x0b,
 134   0xf6, 0x14, 0x66, 0x15, 0x7b, 0x99, 0xf8, 0x1e, 0x08, 0x46, 0x40, 0xd7,
 135   0x48, 0x57, 0xf0, 0x9c, 0x08, 0xac, 0xbc, 0x93, 0xc3, 0xd8, 0x81, 0xd8,
 136   0x52, 0xd7, 0x9e, 0x9b, 0x3e, 0x65, 0xef, 0x98, 0x8d, 0x93, 0x2e, 0x79,
 137   0x58, 0x22, 0x98, 0xe2, 0xd9, 0x2f, 0x84, 0x6d, 0xf0, 0x50, 0xc6, 0xba,
 138   0x52, 0x28, 0x29, 0xf1, 0x83, 0x4c, 0xad, 0xdd, 0x5a, 0x7a, 0xab, 0xd2,
 139   0x74, 0xb2, 0x1d, 0xc1, 0xa9, 0xe4, 0x87, 0xbd, 0xa0, 0x94, 0x0e, 0x50,
 140   0xa7, 0xc7, 0xf1, 0x0d, 0xda, 0x0c, 0x36, 0x94, 0xf4, 0x2c, 0xb8, 0x76,
 141   0xc7, 0x7b, 0x32, 0x87, 0x23, 0x70, 0x9f, 0x3f, 0x19, 0xeb, 0xc3, 0xb5,
 142   0x3a, 0x6e, 0xec, 0xa7, 0x9c, 0xb4, 0xdb, 0xe7, 0x6e, 0x6d, 0x5e, 0x3c,
 143   0x14, 0xa1, 0xa6, 0xfb, 0x50, 0xfb, 0x17, 0x02, 0x03, 0x01, 0x00, 0x01,
 144   0x02, 0x81, 0x80, 0x47, 0x9e, 0x91, 0xc2, 0xeb, 0x99, 0xeb, 0x26, 0xfa,
 145   0x02, 0x2e, 0x71, 0xa4, 0xf9, 0x91, 0x2a, 0xf0, 0x33, 0xfc, 0x7f, 0xdb,
 146   0xac, 0x5a, 0x9c, 0x44, 0xb1, 0x96, 0x1f, 0x4b, 0x06, 0x3c, 0x8e, 0xf7,
 147   0xae, 0xd3, 0x18, 0x3f, 0x86, 0xcc, 0xee, 0x22, 0x23, 0xd4, 0x5d, 0x03,
 148   0x47, 0xce, 0xd7, 0xb4, 0x6a, 0x6a, 0xa1, 0xeb, 0xe3, 0x52, 0xc8, 0x5a,
 149   0x8c, 0x1b, 0xbd, 0x88, 0xf7, 0x36, 0x34, 0xd2, 0xfe, 0x6b, 0x75, 0x9c,
 150   0xa4, 0x97, 0x2f, 0xeb, 0xa8, 0xec, 0x48, 0xb7, 0xe7, 0x53, 0x8f, 0xf1,
 151   0x39, 0xca, 0xf8, 0xd2, 0xee, 0x34, 0xdc, 0x10, 0x99, 0x6f, 0xfd, 0x83,
 152   0x21, 0xa9, 0xe0, 0xe9, 0x0c, 0x4e, 0x4e, 0x62, 0x5f, 0x9f, 0x0f, 0x05,
 153   0xcd, 0xf4, 0x2b, 0x08, 0x06, 0x93, 0x55, 0x76, 0xaf, 0x63, 0x77, 0x80,
 154   0x3e, 0xd5, 0xf2, 0xe0, 0x58, 0x7f, 0x3c, 0x41, 0x88, 0x4b, 0xc1, 0x02,
 155   0x41, 0x01, 0x84, 0xfc, 0xa9, 0x26, 0x74, 0xe7, 0x4e, 0xe4, 0x39, 0xc4,
 156   0x8f, 0x81, 0xe8, 0xc0, 0xd3, 0x6e, 0x01, 0x12, 0x7e, 0x12, 0x2d, 0x61,
 157   0xaf, 0xe8, 0x60, 0x65, 0x8b, 0x50, 0x46, 0xdf, 0x02, 0x42, 0xe1, 0xea,
 158   0xc1, 0x57, 0x9a, 0x2d, 0x90, 0xdc, 0x10, 0xf1, 0x79, 0xf0, 0xb5, 0x5c,
 159   0x89, 0xef, 0x3b, 0xa8, 0x7a, 0x88, 0x3d, 0x54, 0xde, 0x35, 0x9c, 0xc3,
 160   0x38, 0x4f, 0x2e, 0xb0, 0x74, 0xf7, 0x02, 0x40, 0x7a, 0xea, 0xc9, 0xfe,
 161   0x48, 0xeb, 0x94, 0x20, 0x50, 0x33, 0x9d, 0x4f, 0x6f, 0x7f, 0xb1, 0x0e,
 162   0xee, 0x42, 0x1c, 0xae, 0x72, 0x06, 0xb9, 0x9c, 0x80, 0x4a, 0xed, 0x07,
 163   0xf8, 0x76, 0x5b, 0x37, 0x81, 0x45, 0x69, 0x09, 0xa5, 0x0d, 0x92, 0xed,
 164   0xa8, 0xf0, 0x05, 0x6d, 0xb3, 0xa4, 0xef, 0xfb, 0x1b, 0xf0, 0x89, 0xea,
 165   0x80, 0x2d, 0xaf, 0x9d, 0xbe, 0xc0, 0x08, 0x44, 0x58, 0x61, 0xc2, 0xe1,
 166   0x02, 0x41, 0x01, 0x31, 0xaf, 0x14, 0x86, 0x82, 0x2c, 0x1c, 0x55, 0x42,
 167   0x08, 0x73, 0xf6, 0x55, 0x20, 0xe3, 0x86, 0x79, 0x15, 0x3d, 0x39, 0xaf,
 168   0xac, 0x2a, 0xfe, 0xe4, 0x72, 0x28, 0x2e, 0xe7, 0xe2, 0xec, 0xf5, 0xfe,
 169   0x6f, 0xeb, 0x8c, 0x9a, 0x3e, 0xe0, 0xad, 0xf0, 0x2a, 0xb3, 0xf7, 0x33,
 170   0xaf, 0x0b, 0x3e, 0x93, 0x95, 0x6c, 0xe5, 0x8f, 0xbd, 0x17, 0xfa, 0xed,
 171   0xbc, 0x84, 0x8d, 0xc5, 0x55, 0x2a, 0x35, 0x02, 0x40, 0x6b, 0x4e, 0x1f,
 172   0x4b, 0x03, 0x63, 0xcd, 0xab, 0xab, 0xf8, 0x73, 0x43, 0x8e, 0xa6, 0x1d,
 173   0xef, 0x57, 0xe6, 0x95, 0x5d, 0x61, 0x24, 0x27, 0xd3, 0xcd, 0x58, 0x1b,
 174   0xb7, 0x92, 0x9b, 0xd8, 0xa4, 0x0b, 0x11, 0x8a, 0x52, 0x26, 0x2a, 0x44,
 175   0x73, 0x7f, 0xc1, 0x12, 0x2c, 0x23, 0xe1, 0x40, 0xb3, 0xaa, 0x3f, 0x82,
 176   0x57, 0x1a, 0xd1, 0x47, 0x77, 0xe1, 0xb7, 0x89, 0x40, 0x09, 0x1c, 0x47,
 177   0x61, 0x02, 0x41, 0x00, 0xa4, 0x47, 0x7d, 0x98, 0x74, 0x25, 0x95, 0x5a,
 178   0xc9, 0xbe, 0x76, 0x66, 0xf8, 0x24, 0xb0, 0x83, 0x49, 0xd2, 0xce, 0x98,
 179   0x75, 0x7c, 0xbb, 0xd9, 0x24, 0xe9, 0xc5, 0x53, 0xea, 0xd8, 0xec, 0x94,
 180   0x79, 0xbb, 0x4e, 0x96, 0xc6, 0xd6, 0x17, 0x26, 0x77, 0xf3, 0x12, 0x3e,
 181   0x15, 0x8e, 0x0c, 0x86, 0xdf, 0xa9, 0xf1, 0x34, 0x9b, 0x49, 0x28, 0x0a,
 182   0x95, 0xb5, 0x29, 0x8f, 0x8a, 0x21, 0xff, 0xfc
 183 };
 184 unsigned int device_key_len = 608;
 185
 186
 187 static inline CFTypeRef valid_cf_obj(CFTypeRef obj, CFTypeID type)
 188 {
 189     if (obj && CFGetTypeID(obj) == type)
 190         return obj;
 191     return NULL;
 192 }
 193
 194 static inline CFTypeRef dict_get_value_of_type(CFDictionaryRef dict, CFTypeRef key, CFTypeID value_type)
 195 {
 196     CFTypeRef value = CFDictionaryGetValue(dict, key);
 197     return valid_cf_obj(value, value_type);
 198 }
 199
 200 #include <fcntl.h>
 201 static inline void write_data(const char * path, CFDataRef data)
 202 {
 203     int data_file = open(path, O_CREAT|O_WRONLY|O_TRUNC, 0644);
 204     write(data_file, CFDataGetBytePtr(data), CFDataGetLength(data));
 205     close(data_file);
 206     printf("wrote intermediate result to: %s\n", path);
 207 }
 208
 209 static void _query_string_apply(const void *key, const void *value, void *context)
 210 {
 211     CFStringRef escaped_key =
 212         CFURLCreateStringByAddingPercentEscapes(kCFAllocatorDefault,
 213             (CFStringRef)key, NULL, NULL, kCFStringEncodingUTF8);
 214     CFStringRef escaped_value =
 215         CFURLCreateStringByAddingPercentEscapes(kCFAllocatorDefault,
 216             (CFStringRef)value, NULL, NULL, kCFStringEncodingUTF8);
 217     CFMutableStringRef query_string = (CFMutableStringRef)context;
 218
 219     if (CFStringGetLength(query_string) > 1)
 220         CFStringAppend(query_string, CFSTR("&"));
 221
 222     CFStringAppendFormat(query_string, NULL, CFSTR("%@=%@"), escaped_key, escaped_value);
 223     CFRelease(escaped_key);
 224     CFRelease(escaped_value);
 225 }
 226
 227 static CF_RETURNS_RETAINED CFURLRef build_url(CFStringRef base, CFDictionaryRef info)
 228 {
 229     CFURLRef url = NULL, base_url = NULL;
 230     CFMutableStringRef query_string =
 231         CFStringCreateMutableCopy(kCFAllocatorDefault, 0, CFSTR("?"));
 232     require(query_string, out);
 233     if (info)
 234         CFDictionaryApplyFunction(info, _query_string_apply, query_string);
 235     base_url = CFURLCreateWithString(kCFAllocatorDefault, base, NULL);
 236     url = CFURLCreateWithString(kCFAllocatorDefault, query_string, base_url);
 237 out:
 238     CFReleaseSafe(query_string);
 239     CFReleaseSafe(base_url);
 240     return url;
 241 }
 242
 243 static CF_RETURNS_RETAINED CFURLRef scep_url_operation(CFStringRef base, CFStringRef operation, CFStringRef message)
 244 {
 245     CFURLRef url = NULL;
 246     const void *keys[] = { CFSTR("operation"), CFSTR("message") };
 247     const void *values[] = { operation, message };
 248
 249     require(operation, out);
 250     CFDictionaryRef dict = CFDictionaryCreate(NULL, keys, values, message ? 2 : 1, NULL, NULL);
 251     url = build_url(base, dict);
 252     CFRelease(dict);
 253 out:
 254     return url;
 255 }
 256
 257 static bool auth_failed(CFHTTPMessageRef request, CFReadStreamRef readStream)
 258 {
 259     bool isAuthenticationChallenge = false;
 260     CFHTTPMessageRef responseHeaders = (CFHTTPMessageRef)CFReadStreamCopyProperty(readStream, kCFStreamPropertyHTTPResponseHeader);
 261     if (responseHeaders) {
 262         // Is the server response an challenge for credentials?
 263         isAuthenticationChallenge = (CFHTTPMessageGetResponseStatusCode(responseHeaders) == 401);
 264         if (isAuthenticationChallenge) {
 265             CFStringRef cf_user = CFStringCreateWithCString(kCFAllocatorDefault, user, kCFStringEncodingUTF8);
 266             CFStringRef cf_pass = CFStringCreateWithCString(kCFAllocatorDefault, pass, kCFStringEncodingUTF8);
 267             CFHTTPMessageAddAuthentication(request, responseHeaders, cf_user, cf_pass, NULL, false);
 268             CFReleaseSafe(cf_pass);
 269             CFReleaseSafe(cf_user);
 270         }
 271         CFRelease(responseHeaders);
 272     }
 273     return isAuthenticationChallenge;
 274 }
 275
 276 static CF_RETURNS_RETAINED CFHTTPMessageRef load_request(CFHTTPMessageRef request, CFMutableDataRef data, int retry)
 277 {
 278     CFHTTPMessageRef result = NULL;
 279
 280     if (retry < 0)
 281         return result;
 282
 283     CFReadStreamRef rs;
 284     rs = CFReadStreamCreateForHTTPRequest(NULL, request);
 285
 286     const void *keys[] = {
 287         kCFStreamSSLValidatesCertificateChain,
 288 //        kCFStreamSSLCertificates,
 289     };
 290     //CFArrayRef ident = mit_identity();
 291     const void *values[] = {
 292         kCFBooleanFalse,
 293 //        ident,
 294     };
 295
 296     CFDictionaryRef dict = CFDictionaryCreate(NULL, keys, values,
 297         array_size(keys),
 298         &kCFTypeDictionaryKeyCallBacks,
 299         &kCFTypeDictionaryValueCallBacks);
 300     CFReadStreamSetProperty(rs, kCFStreamPropertySSLSettings, dict);
 301     CFRelease(dict);
 302     CFReadStreamSetProperty(rs, kCFStreamPropertyHTTPAttemptPersistentConnection, kCFBooleanTrue);
 303
 304     if (CFReadStreamOpen(rs)) {
 305         do {
 306             if (auth_failed(request, rs)) {
 307                 CFReadStreamClose(rs);
 308                 CFDataSetLength(data, 0);
 309                 if (retry) {
 310                     CFReleaseSafe(rs);
 311                     return load_request(request, data, retry - 1);
 312                 }
 313                 break;
 314             }
 315             UInt8 buf[BUFSIZE];
 316             CFIndex bytesRead = CFReadStreamRead(rs, buf, BUFSIZE);
 317             if (bytesRead > 0) {
 318                 CFDataAppendBytes(data, buf, bytesRead);
 319             } else if (bytesRead == 0) {
 320                 // Success
 321                 result = (CFHTTPMessageRef)CFReadStreamCopyProperty(rs, kCFStreamPropertyHTTPResponseHeader);
 322                 break;
 323             } else {
 324                 // Error
 325                 break;
 326             }
 327         } while (true);
 328     } else {
 329         // Error
 330     }
 331
 332     CFReadStreamClose(rs);
 333     CFRelease(rs);
 334     if (debug)
 335         CFShow(result);
 336     return result;
 337 }
 338
 339
 340 static CF_RETURNS_RETAINED CFDictionaryRef get_encrypted_profile_packet(CFStringRef base_url)
 341 {
 342 #if 1
 343     SecCertificateRef cert = SecCertificateCreateWithBytes(NULL,
 344         device_cert_der, device_cert_der_len);
 345     SecKeyRef key = SecKeyCreateRSAPrivateKey(NULL,
 346         device_key, device_key_len, kSecKeyEncodingPkcs1);
 347     SecIdentityRef identity = SecIdentityCreate(kCFAllocatorDefault, cert, key);
 348     CFRelease(cert);
 349     CFRelease(key);
 350 #else
 351     SecIdentityRef identity = lockdown_copy_device_identity();
 352 #endif
 353
 354     CFMutableDictionaryRef machine_dict = CFDictionaryCreateMutable(kCFAllocatorDefault,
 355         0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
 356     CFDictionarySetValue(machine_dict, CFSTR("UDID"), CFSTR("f1f50f8122fb10146f65e90380176342add6a85c"));
 357     CFStringRef cf_user = CFStringCreateWithCString(kCFAllocatorDefault, user, kCFStringEncodingUTF8);
 358     if (cf_user) {
 359         CFDictionarySetValue(machine_dict, CFSTR("USERNAME"), cf_user);
 360         CFRelease(cf_user);
 361     }
 362     CFStringRef cf_pass = CFStringCreateWithCString(kCFAllocatorDefault, pass, kCFStringEncodingUTF8);
 363     if (cf_pass) {
 364         CFDictionarySetValue(machine_dict, CFSTR("PASSWORD"), cf_pass);
 365         CFRelease(cf_pass);
 366     }
 367     CFDataRef machine_dict_data = CFPropertyListCreateXMLData(kCFAllocatorDefault,
 368         (CFPropertyListRef)machine_dict);
 369     CFMutableDataRef signed_data = CFDataCreateMutable(kCFAllocatorDefault, 0);
 370     if (SecCMSSignDataAndAttributes(identity, machine_dict_data, false, signed_data, NULL))
 371         errx(1, "failed to sign data");
 372     CFRelease(identity);
 373     CFRelease(machine_dict_data);
 374     CFRelease(machine_dict);
 375
 376     CFURLRef url = build_url(base_url, NULL);
 377     CFHTTPMessageRef request = CFHTTPMessageCreateRequest(kCFAllocatorDefault,
 378         CFSTR("POST"), url, kCFHTTPVersion1_1);
 379     CFRelease(url);
 380     CFHTTPMessageSetBody(request, signed_data);
 381     CFRelease(signed_data);
 382     CFHTTPMessageSetHeaderFieldValue(request, CFSTR("Content-Type"),
 383         CFSTR("application/pkcs7-signature"));
 384     CFMutableDataRef data = CFDataCreateMutable(kCFAllocatorDefault, 0);
 385     CFHTTPMessageRef response = load_request(request, data, 1);
 386     CFRelease(request);
 387     CFRelease(response);
 388     CFErrorRef error = NULL;
 389     CFTypeRef result = CFPropertyListCreateWithData(kCFAllocatorDefault,
 390         data, kCFPropertyListImmutable, NULL, &error);
 391     CFRelease(data);
 392     if (error) {
 393         CFShow(error);
 394         errx(1, "failed to decode encrypted profile response");
 395     }
 396     if (CFGetTypeID(result) != CFDictionaryGetTypeID())
 397     CFReleaseNull(result);
 398     return (CFDictionaryRef)result;
 399 }
 400
 401 static SecCertificateRef get_ca_cert(CFStringRef scep_base_url, CFStringRef scep_ca_name)
 402 {
 403     SecCertificateRef cert = NULL;
 404     CFMutableDataRef data = CFDataCreateMutable(kCFAllocatorDefault, 0);
 405
 406     CFURLRef url = scep_url_operation(scep_base_url, CFSTR("GetCACert"), scep_ca_name);
 407     CFHTTPMessageRef request = CFHTTPMessageCreateRequest(kCFAllocatorDefault,
 408         CFSTR("GET"), url, kCFHTTPVersion1_1);
 409     CFReleaseSafe(url);
 410     CFHTTPMessageRef result = load_request(request, data, 1);
 411     CFReleaseSafe(request);
 412
 413     if (!result) {
 414         CFReleaseSafe(data);
 415         return NULL;
 416     }
 417     CFStringRef contentTypeValue = CFHTTPMessageCopyHeaderFieldValue(result, CFSTR("Content-Type"));
 418     CFReleaseSafe(result);
 419 //    CFHTTPMessageRef response = CFHTTPMessageCreateEmpty(kCFAllocatorDefault, false);
 420 //    CFHTTPMessageAppendBytes(response, CFDataGetBytePtr(data), CFDataGetLength(data));
 421 //    CFDataRef bodyValue = CFHTTPMessageCopyBody(response);
 422     if (kCFCompareEqualTo == CFStringCompare(CFSTR("application/x-x509-ca-cert"),
 423         contentTypeValue, kCFCompareCaseInsensitive)) {
 424         // CA only response: application/x-x509-ca-cert
 425         cert = SecCertificateCreateWithData(kCFAllocatorDefault, data);
 426         if (debug)
 427             write_data("/tmp/ca_cert.der", data);
 428     } else if (kCFCompareEqualTo == CFStringCompare(CFSTR("application/x-x509-ca-ra-cert"),
 429         contentTypeValue, kCFCompareCaseInsensitive)) {
 430         // RA/CA response: application/x-x509-ca-ra-cert
 431         CFArrayRef cert_array = SecCMSCertificatesOnlyMessageCopyCertificates(data);
 432         if (debug)
 433             write_data("/tmp/ca_cert_array.der", data);
 434         cert = (SecCertificateRef)CFArrayGetValueAtIndex(cert_array, 0);
 435         CFRetain(cert);
 436         CFRelease(cert_array);
 437     }
 438     CFRelease(contentTypeValue);
 439     CFRelease(data);
 440     return cert;
 441 }
 442
 443
 444 static SecIdentityRef perform_scep(CFDictionaryRef scep_dict)
 445 {
 446     SecIdentityRef identity = NULL;
 447     CFDictionaryRef parameters = NULL, csr_parameters = NULL;
 448     CFStringRef scep_base_url = NULL, scep_instance_name = NULL,
 449     scep_challenge = NULL;
 450 #if 0
 451     CFStringRef scep_subject = NULL, scep_subject_requested = NULL;
 452 #endif
 453     CFTypeRef scep_key_bitsize = NULL;
 454     CFNumberRef key_usage_num = NULL;
 455     SecCertificateRef ca_cert = NULL;
 456     const void *keygen_keys[] = { kSecAttrKeyType, kSecAttrKeySizeInBits };
 457     const void *keygen_vals[] = { kSecAttrKeyTypeRSA, CFSTR("512") };
 458
 459     require(valid_cf_obj(scep_dict,CFDictionaryGetTypeID()), out);
 460     require(scep_base_url =
 461         dict_get_value_of_type(scep_dict, CFSTR("URL"), CFStringGetTypeID()), out);
 462     require(scep_instance_name =
 463         dict_get_value_of_type(scep_dict, CFSTR("NAME"), CFStringGetTypeID()), out);
 464     require(scep_challenge =
 465         dict_get_value_of_type(scep_dict, CFSTR("CHALLENGE"), CFStringGetTypeID()), out);
 466
 467     scep_key_bitsize =
 468         dict_get_value_of_type(scep_dict, CFSTR("KEYSIZE"), CFNumberGetTypeID());
 469     if (!scep_key_bitsize)
 470         scep_key_bitsize =
 471             dict_get_value_of_type(scep_dict, CFSTR("KEYSIZE"), CFStringGetTypeID());
 472     if (scep_key_bitsize)
 473         keygen_vals[1] = scep_key_bitsize;
 474
 475     parameters = CFDictionaryCreate(kCFAllocatorDefault,
 476         keygen_keys, keygen_vals, array_size(keygen_vals),
 477         &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks );
 478
 479     int key_usage = kSecKeyUsageDigitalSignature | kSecKeyUsageKeyEncipherment;
 480     key_usage_num = CFNumberCreate(kCFAllocatorDefault, kCFNumberIntType, &key_usage);
 481
 482     ca_cert = get_ca_cert(scep_base_url, scep_instance_name ? scep_instance_name : CFSTR("test"));
 483     if (!ca_cert)
 484         errx(1, "no ca cert returned from scep server.");
 485
 486     identity = NULL;
 487     if (!identity)
 488         errx(1, "failed to get identity from scep server.");
 489
 490
 491 out:
 492     CFReleaseSafe(ca_cert);
 493     CFReleaseSafe(key_usage_num);
 494     CFReleaseSafe(csr_parameters);
 495     CFReleaseSafe(parameters);
 496     return identity;
 497 }
 498
 499 static CFDataRef copy_profile(CFStringRef url_cfstring, SecIdentityRef identity)
 500 {
 501     CFURLRef url = NULL;
 502     CFHTTPMessageRef request = NULL;
 503     SecCertificateRef cert = NULL;
 504     CFDataRef cert_data = NULL;
 505     CFMutableDataRef data = CFDataCreateMutable(kCFAllocatorDefault, 0);
 506     CFHTTPMessageRef response = NULL;
 507
 508     require(url = CFURLCreateWithString(kCFAllocatorDefault, url_cfstring, NULL), out);
 509     require(request = CFHTTPMessageCreateRequest(kCFAllocatorDefault,
 510         CFSTR("POST"), url, kCFHTTPVersion1_1), out);
 511     require_noerr(SecIdentityCopyCertificate(identity, &cert), out);
 512     require(cert_data = SecCertificateCopyData(cert), out);
 513     CFHTTPMessageSetBody(request, cert_data);
 514     // this is technically the wrong mimetype; we'll probably switch to signed data
 515     CFHTTPMessageSetHeaderFieldValue(request, CFSTR("Content-Type"), CFSTR("application/x-x509-ca-cert"));
 516     response = load_request(request, data, 1);
 517     if (debug && data)
 518         CFShow(data);
 519 out:
 520     //CFReleaseSafe(response);
 521     CFReleaseSafe(request);
 522     CFReleaseSafe(url);
 523     CFReleaseSafe(cert_data);
 524     CFReleaseSafe(cert);
 525     CFReleaseSafe(response);
 526     return data;
 527
 528 }
 529
 530 static bool validate_profile(CFDataRef profile_plist_data, SecIdentityRef identity)
 531 {
 532     CFStringRef type = NULL, uuid = NULL;
 533     CFMutableDataRef dec_data = NULL;
 534     CFDataRef enc_payload = NULL;
 535     bool ok = false;
 536     CFTypeRef result = CFPropertyListCreateWithData(kCFAllocatorDefault,
 537         profile_plist_data, kCFPropertyListImmutable, NULL, NULL);
 538     require(valid_cf_obj(result, CFDictionaryGetTypeID()), out);
 539     require(type = dict_get_value_of_type(result, CFSTR("PayloadType"),
 540         CFStringGetTypeID()), out);
 541     require(uuid = dict_get_value_of_type(result, CFSTR("PayloadUUID"),
 542         CFStringGetTypeID()), out);
 543     enc_payload = dict_get_value_of_type(result, CFSTR("EncryptedPayloadContent"),
 544         CFDataGetTypeID());
 545     if (enc_payload) {
 546         dec_data = CFDataCreateMutable(kCFAllocatorDefault, 0);
 547         require_noerr(SecCMSDecryptEnvelopedData(enc_payload, dec_data, NULL), out);
 548         ok = validate_profile(dec_data, identity);
 549     } else {
 550         ok = true;
 551         if (debug)
 552             write_data("/tmp/unencrypted_profile.mobileconfig", profile_plist_data);
 553         //CFDictionaryRef sub_conf = dict_get_value_of_type(result, CFSTR("PayloadContent"), CFDictionaryGetTypeID());
 554     }
 555 out:
 556     CFReleaseSafe(dec_data);
 557     CFReleaseSafe(result);
 558     return ok;
 559 }
 560
 561 #if 0
 562 static const char *auth = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n\
 563 <!DOCTYPE plist PUBLIC \"-//Apple//DTD PLIST 1.0//EN\" \"http://www.apple.com/DTDs/\n\
 564 PropertyList-1.0.dtd\">\n\
 565 <plist version=\"1.0\">\n\
 566 <dict>\n\
 567         <key>PayloadContent</key>\n\
 568         <dict>\n\
 569                 <key>URL</key>\n\
 570                 <string>https://phone.vpn.apple.com/deviceid/</string>\n\
 571                 <key>DeviceAttributes</key>\n\
 572                 <array>\n\
 573                         <string>UDID</string>\n\
 574                         <string>VERSION</string>\n\
 575                         <string>MAC_ADDRESS_EN0</string>\n\
 576                         <string>MAC_ADDRESS_IP0</string>\n\
 577                 </array>\n\
 578                <key>CHALLENGE</key>\n\
 579                <string>${USER_COOKIE}</string>\n\
 580         </dict>\n\
 581         <key>PayloadType</key>\n\
 582         <string>Device Identification</string>\n\
 583 </dict>\n\
 584 </plist>\n";
 585
 586 static void annotate_machine_info(const void *value, void *context)
 587 {
 588     CFDictionaryRef machine_dict = NULL;
 589     CFStringRef machine_key = NULL;
 590     require(machine_dict = (CFDictionaryRef)valid_cf_obj(context,
 591         CFDictionaryGetTypeID()), out);
 592     require(machine_key = (CFStringRef)valid_cf_obj((CFTypeRef)value,
 593         CFStringGetTypeID()), out);
 594     if (CFEqual(machine_key, CFSTR("UDID"))) {
 595
 596     }
 597 out:
 598     return;
 599 }
 600
 601 static void machine_authentication(CFDataRef req, CFDataRef reply)
 602 {
 603     CFDataRef machine_auth_request = CFDataCreateWithBytesNoCopy(kCFAllocatorDefault,
 604         (uint8_t*)auth, strlen(auth), kCFAllocatorNull);
 605     CFDictionaryRef auth_dict = NULL;
 606     CFMutableDictionaryRef auth_reply_dict =
 607         CFDictionaryCreateMutable(kCFAllocatorDefault, 0,
 608         &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
 609
 610     if (req) { CFRelease(machine_auth_request); machine_auth_request = req; CFRetain(req); }
 611     CFDictionaryRef auth_request_dict = CFPropertyListCreateWithData(kCFAllocatorDefault,
 612         machine_auth_request, kCFPropertyListImmutable, NULL, NULL);
 613
 614     require(auth_reply_dict, out);
 615     require(valid_cf_obj(auth_request_dict, CFDictionaryGetTypeID()), out);
 616     require(auth_dict = dict_get_value_of_type(auth_request_dict, CFSTR("PayloadContent"), CFDictionaryGetTypeID()), out);
 617     CFStringRef challenge = dict_get_value_of_type(auth_dict, CFSTR("CHALLENGE"), CFStringGetTypeID());
 618     if (challenge)
 619         CFDictionarySetValue(auth_reply_dict, CFSTR("CHALLENGE"), challenge);
 620     CFArrayRef device_info = dict_get_value_of_type(auth_dict, CFSTR("DeviceAttributes"), CFArrayGetTypeID());
 621     if (device_info)
 622         CFArrayApplyFunction(device_info, CFRangeMake(0, CFArrayGetCount(device_info)),
 623             annotate_machine_info, auth_reply_dict);
 624
 625     // make copy of reply dict
 626 out:
 627     CFReleaseSafe(machine_auth_request);
 628     CFReleaseSafe(auth_request_dict);
 629 }
 630 #endif
 631
 632 extern int command_spc(int argc, char * const *argv)
 633 {
 634     SecIdentityRef identity = NULL;
 635         extern char *optarg;
 636     extern int optind;
 637         int arg;
 638         while ((arg = getopt(argc, argv, "du:p:")) != -1) {
 639                 switch (arg) {
 640             case 'd':
 641                 debug = 1;
 642                 break;
 643             case 'u':
 644                                 user = optarg;
 645                                 break;
 646                         case 'p':
 647                 pass = optarg;
 648                                 break;
 649                         case 'h':
 650                         default:
 651                                 return SHOW_USAGE_MESSAGE;
 652                 }
 653         }
 654
 655         argc -= optind;
 656         argv += optind;
 657
 658 #if 0
 659     if (argc == 1) {
 660         // get plist from argv[0] url
 661     } else if (argc == 0) {
 662         machine_authentication(NULL, NULL);
 663     } else return SHOW_USAGE_MESSAGE;
 664 #endif
 665
 666     if (argc != 1)
 667         return SHOW_USAGE_MESSAGE;
 668
 669     int result = -1;
 670     CFDictionaryRef dict = NULL;
 671     CFDictionaryRef scep_config = NULL;
 672     CFDictionaryRef payload_content = NULL;
 673     CFStringRef profile_url = NULL;
 674     CFDataRef profile_data = NULL;
 675     CFDataRef profile_plist = NULL;
 676     CFStringRef machine_id_url_cfstring = CFStringCreateWithCString(kCFAllocatorDefault,
 677         argv[0], kCFStringEncodingUTF8);
 678     CFDictionaryRef enroll_packet =
 679         get_encrypted_profile_packet(machine_id_url_cfstring);
 680     require(enroll_packet && CFGetTypeID(enroll_packet) == CFDictionaryGetTypeID(), out);
 681     //require(payload_type(enroll_packet, "Encrypted Profile Service"), out);
 682     require(payload_content = dict_get_value_of_type(enroll_packet,
 683         CFSTR("PayloadContent"), CFDictionaryGetTypeID()), out);
 684     require(scep_config = dict_get_value_of_type(payload_content,
 685         CFSTR("SCEP"), CFDictionaryGetTypeID()), out);
 686     require(identity = perform_scep(scep_config), out);
 687     dict = CFDictionaryCreate(NULL, (const void **)&kSecValueRef, (const void **)&identity, 1, NULL, NULL);
 688     require_noerr(SecItemAdd(dict, NULL), out);
 689     CFReleaseNull(dict);
 690     require(profile_url = dict_get_value_of_type(payload_content,
 691         CFSTR("URL"), CFStringGetTypeID()), out);
 692
 693     require(profile_data = copy_profile(profile_url, identity), out);
 694     if (debug)
 695         write_data("/tmp/profile.mobileconfig", profile_data);
 696
 697     require_noerr(SecCMSVerify(profile_data, NULL, NULL, NULL, &profile_plist), out);
 698     CFReleaseNull(profile_data);
 699     require(profile_plist, out);
 700     require(validate_profile(profile_plist, identity), out);
 701
 702     result = 0;
 703 out:
 704     CFReleaseSafe(dict);
 705     CFReleaseSafe(identity);
 706     CFReleaseSafe(enroll_packet);
 707     CFReleaseSafe(profile_data);
 708     CFReleaseSafe(profile_plist);
 709     CFReleaseSafe(machine_id_url_cfstring);
 710
 711     if (result != 0)
 712         errx(1, "fail.");
 713     return result;
 714 }
 715
 716
 717 #endif // TARGET_OS_EMBEDDED