/security/manager/ssl/src/nsCERTValInParamWrapper.cpp

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 14 * The Original Code is mozilla.org code.
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 16 * The Initial Developer of the Original Code is
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 18 * Portions created by the Initial Developer are Copyright (C) 2011
 19 * the Initial Developer. All Rights Reserved.
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 21 * Contributor(s):
 22 *   Kai Engert <kengert@redhat.com>
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 37
 38#include "nsCERTValInParamWrapper.h"
 39
 40NS_IMPL_THREADSAFE_ADDREF(nsCERTValInParamWrapper)
 41NS_IMPL_THREADSAFE_RELEASE(nsCERTValInParamWrapper)
 42
 43nsCERTValInParamWrapper::nsCERTValInParamWrapper()
 44:mAlreadyConstructed(false)
 45,mCVIN(nsnull)
 46,mRev(nsnull)
 47{
 48  MOZ_COUNT_CTOR(nsCERTValInParamWrapper);
 49}
 50
 51nsCERTValInParamWrapper::~nsCERTValInParamWrapper()
 52{
 53  MOZ_COUNT_DTOR(nsCERTValInParamWrapper);
 54  if (mRev) {
 55    CERT_DestroyCERTRevocationFlags(mRev);
 56  }
 57  if (mCVIN)
 58    PORT_Free(mCVIN);
 59}
 60
 61nsresult nsCERTValInParamWrapper::Construct(missing_cert_download_config mcdc,
 62                                            crl_download_config cdc,
 63                                            ocsp_download_config odc,
 64                                            ocsp_strict_config osc,
 65                                            any_revo_fresh_config arfc,
 66                                            const char *firstNetworkRevocationMethod)
 67{
 68  if (mAlreadyConstructed)
 69    return NS_ERROR_FAILURE;
 70
 71  CERTValInParam *p = (CERTValInParam*)PORT_Alloc(3 * sizeof(CERTValInParam));
 72  if (!p)
 73    return NS_ERROR_OUT_OF_MEMORY;
 74
 75  CERTRevocationFlags *rev = CERT_AllocCERTRevocationFlags(
 76      cert_revocation_method_ocsp +1, 1,
 77      cert_revocation_method_ocsp +1, 1);
 78  
 79  if (!rev) {
 80    PORT_Free(p);
 81    return NS_ERROR_OUT_OF_MEMORY;
 82  }
 83  
 84  p[0].type = cert_pi_useAIACertFetch;
 85  p[0].value.scalar.b = (mcdc == missing_cert_download_on);
 86  p[1].type = cert_pi_revocationFlags;
 87  p[1].value.pointer.revocation = rev;
 88  p[2].type = cert_pi_end;
 89  
 90  rev->leafTests.cert_rev_flags_per_method[cert_revocation_method_crl] =
 91  rev->chainTests.cert_rev_flags_per_method[cert_revocation_method_crl] =
 92    // implicit default source - makes no sense for CRLs
 93    CERT_REV_M_IGNORE_IMPLICIT_DEFAULT_SOURCE
 94
 95    // let's not stop on fresh CRL. If OCSP is enabled, too, let's check it
 96    | CERT_REV_M_CONTINUE_TESTING_ON_FRESH_INFO
 97
 98    // no fresh CRL? well, let other flag decide whether to fail or not
 99    | CERT_REV_M_IGNORE_MISSING_FRESH_INFO
100
101    // testing using local CRLs is always allowed
102    | CERT_REV_M_TEST_USING_THIS_METHOD
103
104    // no local crl and don't know where to get it from? ignore
105    | CERT_REV_M_SKIP_TEST_ON_MISSING_SOURCE
106
107    // crl download based on parameter
108    | ((cdc == crl_download_allowed) ?
109        CERT_REV_M_ALLOW_NETWORK_FETCHING : CERT_REV_M_FORBID_NETWORK_FETCHING)
110    ;
111
112  rev->leafTests.cert_rev_flags_per_method[cert_revocation_method_ocsp] =
113  rev->chainTests.cert_rev_flags_per_method[cert_revocation_method_ocsp] =
114    // is ocsp enabled at all?
115    ((odc == ocsp_on) ?
116      CERT_REV_M_TEST_USING_THIS_METHOD : CERT_REV_M_DO_NOT_TEST_USING_THIS_METHOD)
117
118    // ocsp enabled controls network fetching, too
119    | ((odc == ocsp_on) ?
120        CERT_REV_M_ALLOW_NETWORK_FETCHING : CERT_REV_M_FORBID_NETWORK_FETCHING)
121
122    // ocsp set to strict==required?
123    | ((osc == ocsp_strict) ?
124        CERT_REV_M_FAIL_ON_MISSING_FRESH_INFO : CERT_REV_M_IGNORE_MISSING_FRESH_INFO)
125
126    // if app has a default OCSP responder configured, let's use it
127    | CERT_REV_M_ALLOW_IMPLICIT_DEFAULT_SOURCE
128
129    // of course OCSP doesn't work without a source. let's accept such certs
130    | CERT_REV_M_SKIP_TEST_ON_MISSING_SOURCE
131
132    // ocsp success is sufficient
133    | CERT_REV_M_STOP_TESTING_ON_FRESH_INFO
134    ;
135
136  bool wantsCrlFirst = (firstNetworkRevocationMethod != nsnull)
137                          && (strcmp("crl", firstNetworkRevocationMethod) == 0);
138    
139  rev->leafTests.preferred_methods[0] =
140  rev->chainTests.preferred_methods[0] =
141    wantsCrlFirst ? cert_revocation_method_crl : cert_revocation_method_ocsp;
142
143  rev->leafTests.cert_rev_method_independent_flags =
144  rev->chainTests.cert_rev_method_independent_flags =
145    // avoiding the network is good, let's try local first
146    CERT_REV_MI_TEST_ALL_LOCAL_INFORMATION_FIRST
147
148    // is overall revocation requirement strict or relaxed?
149    | ((arfc == any_revo_strict) ?
150        CERT_REV_MI_REQUIRE_SOME_FRESH_INFO_AVAILABLE : CERT_REV_MI_NO_OVERALL_INFO_REQUIREMENT)
151    ;
152
153  mAlreadyConstructed = true;
154  mCVIN = p;
155  mRev = rev;
156  return NS_OK;
157}