si-20-certificate-copy-values.c   [plain text]

/*
 * Copyright (c) 2015-2017 Apple Inc. All Rights Reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 *
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this
 * file.
 *
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
 * limitations under the License.
 *
 * @APPLE_LICENSE_HEADER_END@
 */

#include <CoreFoundation/CoreFoundation.h>
#include <Security/Security.h>
#include <Security/SecCertificatePriv.h>
#include <Security/SecPolicyPriv.h>
#include <Security/CMSDecoder.h>

#include "keychain_regressions.h"
#include "utilities/SecCFRelease.h"
#include "utilities/SecCFWrappers.h"

/* SHA1 Fingerprint=45:27:70:FE:5F:E9:C2:DD:F9:77:17:29:F7:2B:71:DC:23:37:D1:1B */
/* subject:/CN=Mac OS X Provisioning Profile Signing/O=Apple Inc./C=US */
/* issuer :/C=US/O=Apple Inc./OU=Apple Worldwide Developer Relations/CN=Apple Worldwide Developer Relations Certification Authority */

static unsigned char c0[1334]={
	0x30,0x82,0x05,0x32,0x30,0x82,0x04,0x1A,0xA0,0x03,0x02,0x01,0x02,0x02,0x08,0x1A,
	0xA6,0x77,0xFE,0x20,0xB7,0x68,0x2E,0x30,0x0D,0x06,0x09,0x2A,0x86,0x48,0x86,0xF7,
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};

static CFStringRef copyIssuerCN(SecCertificateRef certificate)
{
    if (!certificate ||
        CFGetTypeID(certificate) !=SecCertificateGetTypeID()) {
        return NULL;
    }

    CFStringRef         issuerCN        = NULL; // do not release
    CFDictionaryRef     issuerDict      = NULL; // do not release
    CFArrayRef          issuerArray     = NULL; // do not release
    CFDictionaryRef     issuerInfo      = NULL; // do not release
    CFErrorRef          error           = NULL; // do not release

    CFMutableArrayRef   certificateKeys = NULL; // must release
    CFDictionaryRef     certificateDict = NULL; // must release

    certificateKeys = CFArrayCreateMutable(kCFAllocatorDefault,
                                           1,
                                           &kCFTypeArrayCallBacks);
    if (!certificateKeys) {
        goto finish;
    }

    CFArrayAppendValue(certificateKeys, kSecOIDX509V1IssuerName);

    certificateDict = SecCertificateCopyValues(certificate,
                                               certificateKeys,
                                               &error);

    if (error != errSecSuccess ||
        !certificateDict ||
        CFGetTypeID(certificateDict) != CFDictionaryGetTypeID()) {
        goto finish;
    }

    issuerDict = (CFDictionaryRef) CFDictionaryGetValue(certificateDict,
                                                        kSecOIDX509V1IssuerName);
    if (!issuerDict ||
        CFGetTypeID(issuerDict) != CFDictionaryGetTypeID()) {
        goto finish;
    }

    issuerArray = (CFArrayRef) CFDictionaryGetValue(issuerDict,
                                                    kSecPropertyKeyValue);
    if (!issuerArray ||
        CFGetTypeID(issuerArray) != CFArrayGetTypeID()) {
        goto finish;
    }

    for (int index=0; index<CFArrayGetCount(issuerArray); index++) {
        issuerInfo = (CFDictionaryRef) CFArrayGetValueAtIndex(issuerArray,
                                                              index);
        if (!issuerInfo ||
            CFGetTypeID(issuerInfo) != CFDictionaryGetTypeID()) {
            continue;
        }

        CFStringRef label = NULL; // do not release
        label = CFDictionaryGetValue(issuerInfo,
                                     kSecPropertyKeyLabel);
        if (kCFCompareEqualTo == CFStringCompare(label,
                                                 CFSTR("2.5.4.3"),
                                                 0)) {
            issuerCN = CFDictionaryGetValue(issuerInfo,
                                            kSecPropertyKeyValue);
            if (issuerCN &&
                CFGetTypeID(issuerCN) == CFStringGetTypeID()) {
                CFRetain(issuerCN);
                goto finish;
            }
            else {
                issuerCN = NULL;
            }
        }
    }

finish:
    if (certificateKeys) { CFRelease(certificateKeys); }
    if (certificateDict) { CFRelease(certificateDict); }
    return issuerCN;
}

static void CertificateValuesTests(SecCertificateRef certificate)
{
    CFDictionaryRef     subjectDict     = NULL; // do not release
    CFArrayRef          subjectArray    = NULL; // do not release
    CFStringRef         orgNameString   = NULL; // do not release
    CFErrorRef          error           = NULL; // do not release

    CFMutableArrayRef   certificateKeys = NULL; // must release
    CFDictionaryRef     certificateDict = NULL; // must release

    bool hasAppleOrgName = false;
    bool hasWWDRIssuerCN = false;

    certificateKeys = CFArrayCreateMutable(kCFAllocatorDefault,
                                           1,
                                           &kCFTypeArrayCallBacks);
    if (!certificateKeys) {
        goto finish;
    }
    CFArrayAppendValue(certificateKeys, kSecOIDX509V1SubjectName);

    certificateDict = SecCertificateCopyValues(certificate, certificateKeys, &error);
    if (error != errSecSuccess || !certificateDict ||
        CFGetTypeID(certificateDict) != CFDictionaryGetTypeID()) {
        goto finish;
    }

    subjectDict = (CFDictionaryRef) CFDictionaryGetValue(certificateDict,
                                                         kSecOIDX509V1SubjectName);
    if (!subjectDict || CFGetTypeID(subjectDict) != CFDictionaryGetTypeID()) {
        goto finish;
    }

    subjectArray = (CFArrayRef) CFDictionaryGetValue(subjectDict,
                                                     kSecPropertyKeyValue);
    if (!subjectArray ||
        CFGetTypeID(subjectArray) != CFArrayGetTypeID()) {
        goto finish;
    }

    // look for Organization Name field ("2.5.4.10") in subject
    for (int index=0; index<CFArrayGetCount(subjectArray); index++) {
        CFDictionaryRef subjectInfo = (CFDictionaryRef) CFArrayGetValueAtIndex(subjectArray, index);
        if (!subjectInfo || CFGetTypeID(subjectInfo) != CFDictionaryGetTypeID()) {
            continue;
        }
        CFStringRef label = CFDictionaryGetValue(subjectInfo, kSecPropertyKeyLabel);
        if (kCFCompareEqualTo == CFStringCompare(label, CFSTR("2.5.4.10"), 0)) {
            orgNameString = CFDictionaryGetValue(subjectInfo, kSecPropertyKeyValue);
            if (orgNameString && CFGetTypeID(orgNameString) == CFStringGetTypeID()) {
                if (kCFCompareEqualTo == CFStringCompare(orgNameString, CFSTR("Apple Inc."), 0)) {
                    hasAppleOrgName = true;
                }
            }
        }
    }

    // look for issuer common name
    CFStringRef commonName = copyIssuerCN(certificate);
    if (commonName) {
        if (kCFCompareEqualTo == CFStringCompare(commonName,
            CFSTR("Apple Worldwide Developer Relations Certification Authority"), 0))  {
            hasWWDRIssuerCN = true;
        }
        CFRelease(commonName);
    }

finish:
    if (certificateKeys) { CFRelease(certificateKeys); }
    if (certificateDict) { CFRelease(certificateDict); }

    /* and now, the actual tests... */
    is(hasAppleOrgName, true, "O=Apple Inc.");
    is(hasWWDRIssuerCN, true, "CN=Apple Worldwide Developer Relations Certification Authority");
}

static void tests(void)
{
    SecCertificateRef cert0;

    isnt(cert0 = SecCertificateCreateWithBytes(NULL, c0, sizeof(c0)), NULL, "create cert0");

    /* some basic subject/issuer field value tests */
    CertificateValuesTests(cert0);
    CFReleaseSafe(cert0);
}

int si_20_certificate_copy_values(int argc, char *const *argv);

int si_20_certificate_copy_values(int argc, char *const *argv)
{
    plan_tests(17);

    tests();

    return 0;
}